Left-side Ureteric Colic Case Study

Left-side Ureteric Colic Case Study Case Study – Group B Introduction A 46 year old secretary was admitted to emergency with left-side ureteric colic. She had a similar case 3 years ago and she passed a small calculus spontaneously. She has been taking cimetidine (for the last 6 months), for dyspepsia treatment. Physical examination revealed a tenderness in the left loin. Symptoms Left-side ureteric colic. Small calculus passed spontaneously (3 years ago). Tenderness in the left loin. Medication Taken Cimetidine (last 6 months) for dyspepsia treatment. Serum Results (compared to ‘normal’) Creatinine 150 umol/L (50-110) Na+ 141mM (135-145) K+ 4.2mM (3.5-5.1) Total CO2 20nM (23-29) Urea 8.1Mm (4.0-8.2) Albumin 40g/L (35-50) Calcium 3.49mM (2.1-2.5) Phosphate 0.60mM (1.0-1.5) ALP Activity 160U/L (20-140) Results that differ from ‘normal’ levels are underlined. Suspected/Differential Diagnosis This patient has been admitted to emergency with 3 major symptoms, all of which occurred within the last 3 years (symptoms are stated above). Along with this the patient has been subscribed cimetidine for the last 6 months which is advised to not be taken when the patient is known to have kidney problems, this could potentially be increasing the problematic symptoms. The most recent symptom, to which the patient was initially admitted, is left-side ureteric colic. This is caused by movement of the calculus that produces unpleasant sensations of abdominal pain often in waves (colicky) or sometimes a constant pain, both of which will typically move until it reaches the hypochondrium (or groin area). This supports the results from the physical examination which state that there was a tenderness in the patients left loin, due to the movement of the calculus and pain from there-forth. These symptoms are most commonly developed after passing of a kidney stone, such as the small calculus that this patient passed 3 years ago. These stones can be static or moving, the latter of which can be more painful and cause more symptoms as it travels. Renal calculi are generally formed when the urine is overly saturated with minerals and salts such as calcium and others. This is supported by the patient’s blood-serum results which indicate a high amount of calcium (3.49mM) where the ideal level is around 2.1-2.5mM. Kidney stones are primarily made out of 60-80% calcium, so the excess amount found in the patient’s blood can easily result in a build-up of a calculus. In addition to the excess of calcium, there is also an excess of other substrates in the blood. One of which is creatinine which is ideally found between 50-110 umol/L but the patient contains excess of 150 umol/L. High amounts of creatinine is known to effect the ability for the kidneys to filter fluid within the body. This will lead to a build-up of certain substrates in the blood such as the calcium mentioned previously. Therefore, high amounts of creatinine can cause a ‘domino effect’ where high amounts of creatinine = high amounts of other substrates, this could cause major problems in the body if not treated immediately. Also within the results of the patient’s blood-serum test is the abnormality of low amounts of CO2 (20nM) known as hypocapnia, this is can be used to indicate that the patient may be beginning to show signs of kidney failure. Similarly, low amounts of phosphate are shown (0.60mM), this is also an indication of kidney failure due to inadequate filtration of substrates by the kidney to be excreted as urine. The parathyroid hormone (PTH) regulates the amount of phosphate and calcium in the blood, typically the substrates react oppositely: as phosphate increases, calcium will decrease. Due to there being a great excess in calcium the PTH hormone reacts to decrease the amount of phosphate in the blood serum. Finally, as phosphate is used to repair bones, help the function of nerves and muscle contraction, low amounts of it can cause a severe problem in the patient. This links into the high amounts of ALP activity that are found in this patient’s blood-serum at 160U/L which can be caused by stones such as the small calculus being obstructive. This can lead to problems with bones, which being linked to low amounts of phosphate also, could cause severe problems in the patient and even bone cancer. However, high amounts of ALP have been found in women in the third trimester of pregnancy, which could be the case with this patient, but this is currently unknown. Further Tests to confirm the diagnosis Urine examination can be used to find if there is any blood in the patient’s urine (haematuria) which often occurs after passing a stone. Also the pH of the urine can be examined to indicate either the urine is ‘normal’, acidic (8.0) indicating that an infection could be present from organisms such as Proteus or Pseudomonas. As well as this, the urinalysis can show substrate crystals such as calcium oxalate- quite likely due to excess calcium in the patient. Imaging (X-ray, Ultrasound etc.) Firstly, KUB x-rays can be used to show abnormalities in the kidneys, ureters or bladders, these are indicated by dark shadows in the renal-tract but can be mistaken for phleboliths which is venous and not a form of calculus. Ultrasounds are easy and quick and does not use any form of radiation, this method will indicate stones that are of 0.5cm in diameter or larger. Next, Intravenous Pyelogram (IVP) provides a clear outline of the urinary tract system and shows-up many indicators of kidney problems such as mild hydronephrosis, however this test can cause unwanted reactions in the patient that are best avoided. Finally, a test for the PTH hormone can be undertaken with the calcium, phosphate and ALP blood tests. This will help to identify hyperparathyroidism, which is a hyperactivity of the hormone, as well as finding the cause for the high amounts of calcium in this patient. Treatments and Prognosis The patient that is suffering from left-side ureteric colic, small calculi and tenderness in the left loin should drink plenty of liquids, primarily water. This will encourage any further renal stones to be passed and it will also begin to reduce any possible damage to the functionality of urinary/renal tracts. If there are further stones found in the patient (possible due to high calcium amongst other substrate fluctuations) then with liquids they should pass spontaneously, unless they are large in-which they will need specific removal that could involve surgery. Spontaneous movement and passing of stones may take as long as 40 day so the patient is likely to be under a lot of pain that is often compared to being worse than child birth, therefore pain killers such as paracetamol at a standard dosage of 1 or 2 tablets up to 4 times a day for an adult such as this patient, may be required to alleviate the pain. If by taking further tests, such as the urinary examination, it is found that the patient is suffering from an infection (pyonephrosis) then treatment is required such as percutaneous nephrostomy. This is usually an emergency procedure that is used to relieve an obstructed and infected renal collecting system by percutaneous puncture with ultrasound guidance. Also, Medical Expulsive Therapies can be used such as calcium antagonists. These work by blocking the calcium ion channels to supress the fast component for contracting the ureter, this in turn will help relax the smooth muscles and help stones to pass more easily. Overall, the patient is likely to be in a lot of pain for some time, therefore, strong painkillers will be required and if in the case of infections then antibiotics could also be necessary to overcome the patient’s symptoms and to finally be cured. References Clinical chemistry-Marshall, William J.,Bangert, S. K.,Lapsley, Marta2012. Referenced 05.01.14 Clinical biochemistry: an Illustrated Colour Text-Gaw, Allan, eauthor2013. Referenced 05.01.14 Royal College of Physicians and Surgeons of Canada. Normal Values. Referenced 05.01.14 [royalcollege.ca] Salman S, Castilla C, Vela N R. Action of calcium antagonists on ureteral dynamics.Actas Urol Esp1989. [PubMed] Referenced 05.01.14 Freeman SJ, Sells H, Investigation of loin pain, Imaging (2005) 17, 19-33, British Journal of Radiology. Referenced 05.01.14 Miller OF, Kane CJ; Time to stone passage for observed ureteral calculi: a guide for patient education. J Urol. 1999. Referenced 05.01.14 Amiel J, Choong S; Renal stone disease: the urological perspective. Nephron Clin Pract. 2004. Referenced 05.01.14

Love and Loneliness using Sputnik Sweetheart by Haruki Murakami Essay

Humans are probably the greediest animals that have walked on the face of earth. There is always a want to achieve something greater than what one has. This might be a positive force on one hand, but on the other it can leave someone completely unsatisfied and unhappy with their life. One of the things out of the many which humans strive to look for in their life is love. Love, a recurring theme in novels, movies, music, poetry, drama and what not, is hard to escape from. Whether it is motherly, friendly or romantic love, we all have experienced it at some point in our lives. But does love actually exist? If we look at this question from Haruki Murakami’s Sputnik Sweetheart’s point of view, the answer would be no. Even though love is a major part of the book, there is not a single moment where two people are in love with each other. All the characters of the book have had some experience with love, but in the end all of them are managing their own lives all by themselves. The book strongly hints the nonexistence of love and the loneliness caused by it. The best way to know as to what exactly love is, is to look inside our own self. If we claim to â€Å"feel† it, something must be going on inside our bodies to give us that sense of falling or being in love. Firstly, â€Å"it’s your brain, not your heart, that falls in love† (Myers’, 51). It is evident from many scientific and psychological experiments that â€Å"human romantic love is associated with dopaminergic pathways in the brain† (Fisher, Aron, Brown, 2175). So when Sumire, a lesbian in the book Sputnik Sweetheart, â€Å"fell in love, as if she was crossing a field when bang! a bolt of lightning zapped her right in the head,† the real culprits were something known as neurotransmitters and hormones which are, in simple words, chemicals in our body that control us (Murakami, 9). Sumire was in the â€Å"lust phase† and most probably under the influence of the hormones called testosterone and oestrogen. â€Å"These hormones  as Helen Fisher says ‘get you out looking for anything’† (â€Å"The Science of Love†). The second phase or the â€Å"truly love struck phase† is seen in the book when Sumire cannot escape from the thoughts of Miu (â€Å"The science of love†). â€Å"That’s the ballpoint pen she uses; the mug she drinks coffee from† (Murakami, 50). One cannot blame Sumire for being so sappy as she has no control over the dopamine, serotonin and norepinephrine levels in her body. These chemicals are responsible for the â€Å"cloud-nine feeling†, and the loss of appetite, sleep and concentration when one is in love. This is seen in Sumire’s case too when every single time she sat down to start writing something â€Å"no matter how much she stared at the screen, not a single sentence came to her† (Murakami, 36). Heart racing, flushed cheeks, butterflies in the stomach, these all the signs of being in â€Å"love†, but it is not love, it is just chemicals in our bodies making us feel that way. Very closely tied to the brain is our mental psych and genetic makeup and it can help explain the complex topic of love well. The main objective of animals and plants on this earth is to make more of their kind so that their genes are passed on, have a better chance of surviving in the future, and can compete against others genes. Like any other animal, humans are predisposed to this kind of behaviour too. In Sputnik Sweetheart K, the narrator and Sumire’s best friend, is in love with Sumire who is a lesbian and hence cannot reciprocate his love. Even though K knows Sumire is the one he has true feelings for, his body seeks sex. This makes him â€Å"sleep around† with other women on a daily basis. Though â€Å"these little flings never aroused much passion in [him]; they were, at most a kind of comfort† for his body (Murakami, 64). According to the Maslow’s hierarchy of needs, sex is considered as important as air, sleep, food and shelter (Myers’, 331). It is one of the basic needs in life regardless of any emotional connection to the other person. Also, all the women who K had physical relationships with were â€Å"older and either were married or had fiancà ©s or steady boyfriends†. Psychology can explain even this as â€Å"men are most attracted to women who were at ages associated with peak fertility and thus teen boys are most excited by a woman several years older than themselves.† (Myers’, 106). When it comes to attraction every small factor like skin, smell and body shape play a huge role in deciding whether a woman is good to mate with or not (Myers’, 106). All these behaviours are a result of a phenomenon known as  natural selection where â€Å"nature selects behaviours that increase the likelihood of sending one’s gene into the future† (Myers’, 106). So in the end, it is not us who get to decide who we will pair up with and have children with, but it is our genes that get to choose. How can love exist when we do not even get to choose the person we get attracted to? After looking at the scientific explanations of love, it is important to know how philosophy describes it to get an overall idea of what love is. Kierkegaard, an existentialist philosopher believes only â€Å"Christian love† is true and â€Å"all other love, whether humanly speaking it withers early and is altered or lovingly preserves itself for a round of time—such love is still transient; it merely blossoms. This is precisely its weakness and tragedy, whether it blossoms for an hour or for seventy years—it merely blossoms.† (25). There is no sense of any kind of God in the book Sputnik Sweetheart, so there is no possibility of â€Å"Christian love† which Kierkegaard seems to support. The only kind of love seen in the book is either friendly or erotic love. But what he said about other kind of love, like Eros, seems to be very true since there is not a single moment where two people truly love each other and show it; the love people have for each other never really â€Å"blossoms†. Kierkegaard in his â€Å"Work of love† clearly states that there is no love if it bears no fruit and in the book, there is no â€Å"fruit†, only loneliness which can be considered as the opposite of something fruitful (28). When Miu rejects Sumires love, Sumire disappears from everyone’s lives, which was very painful for K as well as Miu. And when she comes back to K she admits how she feels and says â€Å"I think I cut something’s throat†. One cannot say if she meant it literally or not, but even if she said it metaphorically, she must feel extremely dreadful to say something like that. Secondly, love makes one completely dependent on someone else. When Sumire leaves everyone without any proper explanation K admits, â€Å"She [Sumire] helped me forget the undertone of loneliness in my life†. His love for Sumire is making him completely dependent when throughout the book it is shown how much she who is dependent on him. Love has turned the tables for him and now he is the one who is weak and vulnerable. And anyway, there is no point of loving someone if it keeps making one feel more and more alone. It is impossible to see the good part love plays as there is none. And as Kierkegaard said, love does not exist if it does not bear any fruits. If one was asked to  summarise the story line of Sputnik Sweetheart it would be something like this; K, the narrator, loves Sumire, but Sumire realises she is lesbian when she falls for Miu, a married woman 17 years elder to Sumire, and hence she cannot love K back. But due to an extraordinary incident, Miu has lost all sexual desires and so cannot reciprocate Sumire’s love. So after disappearing â€Å"like smoke† for a few days, Sumire comes back to K to give their love a try even though she knows she is a lesbian (Murakami, 103). It is easy to pick out that there is a constant search for love in Sumire’s life. â€Å"In the spring of her twenty-second year, Sumire fell in love for the first time in her life.† (Murakami, 5). Even though â€Å"in high school she had a few boyfriends, guys she’d go to the cinema with, go swimming with†, she took 22 years long to find the â€Å"right person† to fall in love with, and when she finally did, it was someone she could not get (Murakami, 11). If it was something other than love, one would have long given up on it. It is called learned helplessness in psychology. But, Sumire did not stop from trying to find love all over again and she came back to K. Love clearly seems to be a purpose in life for some people. But what is the purpose of life? There is a point in the book where K realises and says, â€Å"I’d have to survive on my own.† (Murakami, 187) However much we, as humans, feel that we are living for a purpose and there are people who care and love, the truth is that we are all by ourselves. K realises it, even though it is quite far into the book, but he does in, and in a rather painful way. Sputnik Sweetheart, the name of the book itself, suggests loneliness as it refers to Sputnik II, the Soviet satellite which was launched into space with the dog Laika, the first living being to go into space which died barking of hunger. It gives a picture of â€Å"the dark, lustrous eyes of the dog gazing out of the tiny window† into the empty space all alone (Murakami, 10). What is it about love that makes humans so desperate for it? Biology and psychology clearly explain that it is just how our bodies are made and how the animal kingdom functions. Also, according to Kierkegaard, erotic, romantic, friendly or philia love is just temporary and never develops fully. It is also seen that being in love never has a positive outcome and from what Kierkegaard said love does not exist if it does not produce something useful. So why is it that we keep seeking love? Are we just lonely  and anxious to find something more than life itself? Is it that we are lonely and by ourselves in this world, and hence cannot love, or is it that we cannot love that is why we are lonely? Either way, there is no love, but only loneliness. Work Cited â€Å"The Science of Love.† BBC News. BBC, n.d. Web. 14 May 2013. Myers, David G. Myers’ Psychology for AP. New York, NY: Worth, 2011. Print. Helen E. Fisher, Arthur Aron and Lucy L. Brown Philosophical Transactions: Biological Sciences , Vol. 361, No. 1476, The Neurobiology of Social Recognition, Attraction and Bonding (Dec. 29, 2006), pp. 2173-2186

The Crusades Battle For The Holy Lands Essay - 1282 Words

The Crusades: Battle for the Holy Lands Johnnie Swinnie Central High School November 9, 2015 2nd period Abstract My paper is going to be about the Crusades and its affect on the Christian culture. The Crusades were a battle for the â€Å"Holy Lands† and the very violent wars that you wouldn’t think Christians and Catholics would be involved in. I’m going to show more facts and stories involving the Christian P.O.V, and what went down behind the curtains. I’m also going to tell what happened with Pope Urban the second and his â€Å"war influenced† speech. The Crusades, battle for the Holy Lands The Crusades were a very â€Å"un-holy† battle being that the war was started by Christians and Catholics. To me the speech by Pope Urban II was the start up on the Crusades. It influenced most of the â€Å"crusaders† into action; November of 1095 was the spark the conflict. The whole point was to take back the Holy Lands from the Muslim Control. The â€Å"black stain† as they call it was the beginning of 8 crusades. The sermon preached at Clermont-Ferrand was the start for the Christians. The pope seriously had a thought of sending approximately 50,000 men to the East in order to re-establish Christian unity. The Christians wanted to rescue the â€Å"Holy Sepulcher†. The â€Å"Holy Sepulcher† is the quote un-quote resting place of Jesus Christ. The Christians desperately wanted this back and would do anything to get it back. So Pope Urban took action with a battle cry they said to be called The Cry ofShow MoreRelatedEssay about Crusades986 Words   |  4 Pagesyear of 1095, Pope Urban II started what we know as the Holy Wars or the Crusades. Over the period from 1095-1464, a series of military expeditions were fought to take back the Holy Land, Jerusalem, from the Seljuk Turks. There were eight crusades, which were spurred for many different reasons by many different people that left a lasting effect to the world. These years of bloodshed were led by men of power to gain control over the Holy Land of Jerusalem. Jerusalem was extremely important to the MuslimsRead MoreThe Crusades : The Positive And Negative Effects Of The Crusades757 Words   |  4 Pages The Crusades was a horrific time. Many people had lost their lives, friends, even family. The Crusades were a battle over the holy land, Jerusalem. The Crusaders, people who had fought in the Crusades, were Christians. They wanted the holy land because they believe that’s where Jesus had died and rose. They had fought against the Muslims who were defending themselves against the Crusaders. The Crusades had its positive outcomes as well as its negative results. Some may wonder, were the resultsRead MoreThe Wars of the Crusades643 Words   |  3 PagesThe Crusades were Christian soldiers who fought for the glory of God to protect their religion. The Crusades believed that it was acceptable to murder in war as long as it was for Jesus Christ. 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The History of Terrorism Ancient to Modern Times

Terrorism is the unlawful use of violence to achieve political gains, and its history is as old as humans willingness to use violence to achieve political power. Early zealots and assassins such as the Sicarii and the Hashhashin frightened  their contemporaries, but were not really terrorists in the modern sense. The Sicarii,  a first-century Jewish group and one of the earliest, organized groups of assassins,  murdered enemies and collaborators in a campaign to oust their Roman rulers from Judea. They were used small daggers (sicae) hidden in their cloaks to stab people in crowds, then melt quietly away in the throng. The Hashhashin, whose name gave us the English word assassins, were a secretive Islamic sect active in Iran and Syria from the 11th to the 13th century.   Terrorism is best thought of as a modern phenomenon. Its characteristics flow from the international system of nation-states, and its success depends on the existence of a mass media to create an aura of terror  among large groups of people. 1793 and the  Origins of Modern Terrorism The word terrorism comes from the Reign of Terror instigated by Maxmilien Robespierre in 1793, following the French revolution. Robespierre, one of twelve heads of the new state, had enemies of the revolution killed, and installed a dictatorship to stabilize the country. He justified his methods as necessary in the transformation of the monarchy to a liberal democracy: Subdue by terror the enemies of liberty, and you will be right, as founders of the Republic. Robespierres sentiment laid the foundations for modern terrorists, who believe violence will usher in a better system. For example, the 19th century Narodnaya Volya hoped to end Tsarist rule in Russia. But the characterization of terrorism as a state action faded, while the idea of terrorism as an attack against an existing political order became more prominent. 1950s: The Rise of Non-State Terrorism The rise of guerrilla tactics by non-state actors in the last half of the twentieth century was due to several factors.These included the flowering of ethnic nationalism (e.g. Irish, Basque, Zionist), anti-colonial sentiments in the vast British, French and other empires, and new ideologies such as communism. Terrorist groups with a nationalist agenda have formed in every part of the world. For example, the Irish Republican Army  grew from the quest by Irish Catholics to form an independent republic, rather than being part of Great Britain. Similarly, the Kurds, a distinct ethnic and linguistic group in Turkey, Syria, Iran and Iraq, have sought national autonomy since the beginning of the 20th Century. The Kurdistan Workers Party(PKK), formed in the 1970s, uses terrorist tactics to announce its goal of a Kurdish state. The Sri Lankan Liberation Tigers of Tamil Eelam are members of the ethnic Tamil minority. They use suicide bombing and other lethal tactics to wage a battle for independence against the Sinhalese majority government. 1970s: Terrorism Turns International International terrorism became a prominent issue in the late 1960s, when hijacking became a favored tactic. In 1968, the Popular Front for the Liberation of Palestine hijacked an an El Al Flight. Twenty years later, the bombing of a Pan Am flight over Lockerbie, Scotland, shocked the world. The era also gave us our contemporary sense of terrorism as highly theatrical, symbolic acts of violence by organized groups with specific political grievances. The bloody events at the 1972 Munich Olympics were politically motivated. Black September ,a Palestinian group, kidnapped and killed Israeli athletes preparing to compete. Black Septembers political goal was negotiating the release of Palestinian prisoners. They used spectacular tactics to bring international attention to their national cause. Munich radically changed the United States handling of terrorism: The terms counterterrorism and international terrorism formally entered the Washington political lexicon, according to counterterrorism expert Timothy Naftali. Terrorists also took advantage of the black market in Soviet-produced light weaponry, such as AK-47 assault rifles created in the wake of the Soviet Unions 1989 collapse. Most terrorist groups justified violence with a deep belief in the necessity and justice of their cause. Terrorism in the United States also emerged. Groups such as the Weathermen grew out of the non-violent group Students for a Democratic Society. They turned to violent tactics, from rioting to setting off bombs, to protest the Vietnam War. 1990s: The Twenty-First Century: Religious Terrorism and Beyond Religiously motivated terrorism is considered the most alarming terrorist threat today. Groups that justify their violence on Islamic grounds- Al Qaeda, Hamas, Hezbollah—come to mind first. But Christianity, Judaism, Hinduism and other religions have given rise to their own forms of militant extremism. In the view of religion scholar Karen Armstrong this turn represents terrorists departure from any real religious precepts. Muhammad Atta, the architect of the 9/11 attacks, and the Egyptian hijacker who was driving the first plane, was a near alcoholic and was drinking vodka before he boarded the aircraft. Alcohol would be strictly off limits for a highly observant Muslim. Atta, and perhaps many others, are not simply orthodox believers turned violent, but rather violent extremists who manipulate religious concepts for their own purposes.

Children And Obesity / Nutrition - 1123 Words

Children and obesity /nutrition Because eating is second only to breathing . it is a critical survival behavior , its not a disease, so it can be interchangeable. It tends to be more autonomic, and stimulated more than any other behavior we are engaged in.That’s why eating is not a rational behavior, or a cognitive behavior, it stimulates the senses , such as: touch or smell . eating is instinctual, and may be controlling. In addition to this kind of mindless eating, it is part of our DNA. Eating is essential for our survival, which is passed on through evolution. Our brains are programmed to respond to food by secreting a necrohormone, called dopamine. This hormone is believed to be responsible for the urge to act on our own desires. Dopamine is tied to our natural opioid system , which gives us a sense of pleasure, and well-being. It is a secretion that automatically is triggered by novelty. Novelty,. It is something usual or unique. It creates cravings or desire in our brains.( be it food or d rug) It has been documented that portion sizes in restaurant chains has increased over the past thirty years. Also bulk packaging foods , in supermarkets has become larger. The increased portion sizes are responsible for part of the obesity academic. Also in our society, families are eating out more often. Nearly half of our own food dollars are spent on meals away from home, basically, because of work habits. We are growing economically in theShow MoreRelatedU.s School Food Regulation For Public Schools Essay1543 Words   |  7 PagesAmerican public schools have poor nutrition, and it causes obesity in teenagers. As a former student of the American public school systems, the condition of the food has been a problem for years. Over the past two decades, obesity has been an issue in the U.S, and it is due to poor school nutrition. The public schools lack a variation in the healthy meals they contain. 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An Efficient and Practical Solution to Secure the Passwords of Smartcards Free Essays

AN EFFICIENT AND PRACTICAL SOLUTION TO SECURE THE PASSWORD OF SMARTCARD Abstraction The two peculiar security dangers on acute card-based secret word cheque in conveyed models. Keen card-based secret key verification is a standout amongst the most normally utilised security instruments to concentrate the personality of a distant client, who must keep a significant superb card and the comparison war cry to finish a fruitful confirmation with the server.The proof is by and large coordinated with a cardinal foundation convention and outputs shrewd card-based secret key verified cardinal assention. We will write a custom essay sample on An Efficient and Practical Solution to Secure the Passwords of Smartcards or any similar topic only for you Order Now We utilize two conventions as a portion of this system and they are ( 1 ) enemies with precomputed information put off in the savvy card, and ( 2 ) enemies with typical information ( as for diverse clip infinites ) put away in the astute card. The antagonistic step proposed for the security dangers and secures the conventions. List TERMS- Verification, cardinal trade, disconnected from the net and on-line vocabulary assaults Presentation Distant verification is of amazing significance to guarantee an organized waiter against revengeful distant clients in spread models. To beef up security, crisp card based war cry registry has turned with a title-holder amongst the most extraordinary avowal sections. This methodological analysis includes a waiter and a client and on a regular basis consist three phases. This phase comprise hitch phase, where the waiter issues a acute card to the client. EXISTING System In a current model, A strong and effectual client verification and cardinal assention program using acute cards. It is intended to compel assorted tempting catchs including no secret key tabular array, waiter proof, and so forth. In any instance the important limitation of is a reasonably high computation cost. This is enhanced with another proposition in by mistreating the focal points of pre-computation, i.e. , inordinate operations are finished in the disconnected from the net phase ( before the confirmation ) . It is asserted in that their program can expect logged off word mention assaults irrespective of the fact that the enigma informations put away in a savvy card is traded off. Related Work As a major facet of the security indoors dispersed models, different disposals and assets need insurance from unapproved use. Distant confirmation is the most by and large utilised scheme to concentrate the character of a distant client. This paper examines an orderly attack for formalizing clients by three elements, to be specific secret word, astute card, and biometries. A non specific and unafraid construction is proposed to redesign two-component proof to three-element verification. The alteration non merely wholly enhances the informations verification with easiness to boot secures client protection in disseminated models. Likewise, our system holds a few practice-accommodating belongingss of the basic two-component verification, which we accept is of independent investing. Inculcating false information assault is a singular genuine hazard to remote detector system, for which a enemy studies forge informations to drop conveying on blooper pick at upper degree and verve squander in theodolite hubs. In this paper, we propose a novel transportation velocity proficient helpful proof ( BECAN ) program for dividing infused false information. Taking into history the arbitrary diagram properties of detector hub organisation and the helpful bit-packed proof scheme, the proposed BECAN program can save verve by in front of agenda identifying and dividing the king of beasts ‘s portion of infused false information with minor extra operating expenses at the in theodolite hubs. Furthermore, merely a small part of infused false information demands to be checked by the sink, which accordingly by and large decreases the problem of the sink. Both conjectural and reproduction consequences are given to exhibit the viability of the proposed program every bit far as hig h dividing likeliness and verve sparing. Secret word verification has been embraced as a standout amongst the most by and large utilised agreements as a portion of system environment to screen assets from unapproved access.Recently, Lee–Kim–Yoo [ S.W. Lee, H.S. Kim, K.Y. Yoo, Improvement of Chien et Al. ‘s distant user hallmark strategy utilizing smart cards, Computer Standards A ; Interfaces 27 ( 2 ) ( 2005 ) 181–183 ] and Lee-Chiu [ N.Y. Lee, Y.C. Chiu, Improved remote hallmark strategy with smart card, Computer Standards A ; Interfaces 27 ( 2 ) ( 2005 ) 177–180 ] individually proposed a acute card based secret cardinal proof program. We demonstrate that these two programs are both capable to phony assaults gave that the informations put away in the savvy card is revealed by the enemy. We likewise suggest an enhanced program with formal security verification. Despite the fact that the acute card brings amenitiess, it similarly builds the danger on history of lost cards. When the smart card is possessed by an aggressor, the aggressor will perchance try to analyse the secret information within the smart card to infer the hallmark mechanism of the waiter and so hammer user certificates or interrupt the full hallmark system In this paper, we analyze the lost smart card onslaught from Juang et al.’s strategy [ 5 ] that proposes watchword authenticated cardinal understanding. In order to bolster the security of the full system, we mitigated some of its failings. Computer security is one of most of import issues around the universe. Most computing machine systems are utilizing watchwords for their ain hallmark or confirmation mechanisms. A robust and efficacious attack for categorization of 24 individuals who their typewriting forms were collected introduced. A additive ( LDC ) , quadratic discriminant classifier ( QDC ) and k nearest neighbor ( K-NN ) are utilized to sort users keystroke forms. After that a set of mentioned ensemble methods are adopted to cut down the mistake rate and increase the dependability of biometric hallmark system. Promising consequences have been achieved. The best mean FAR, FRR and EER parametric quantities are achieved for remarkable classifiers as 19.20 % , 0.81 % and 1.39 % severally. The province of the art public presentation consequences mean FAR, FRR and EER parametric quantities are achieved for the ensemble classifiers as 0.00 % , 0.00 % and 1.15 % severally. The comfort of 802.11-based distant entree systems has prompted unbounded organisation in the client, modern and military parts. Notwithstanding, this use is predicated on a verifiable guess of classifiedness and handiness. While the security imperfectnesss in 802.11 ‘s indispensable in private constituents have been by and large promoted, the dangers to system handiness are far less loosely increased in value. Actually, it has been proposed that 802.11 is deeply powerless to noxious disclaimer of-administration ( DoS ) assaults concentrating on its disposal and media entree conventions. This paper gives an explorative scrutiny of such802.11-particular assaults – their common sense, their adequateness and possible low-overhead execution PROPOSED SYSTEM Existing program was farther enhanced by proposed program. which demonstrates that attackers can efficaciously copy the client with old secret key and old information in the savvy card. In this manner, another program was proposed to change that imperfectness, together with a few other new belongingss, for illustration, frontward enigma and secret key altering with no coaction with the waiter. The security scrutiny made in demonstrates that the enhanced program stays procure under disconnected from the net word mention assault in the superb card bad luck instance. A alteration of bing program was as of late presented and Compared with the old program, the new program in gives the convenience of secret key altering operations and has a few attractive key belongingss. Faculties PRODUCT PRESPECTIVE Existing described a efficient user hallmark and cardinal understanding strategy utilizing smart cards. Existing strategy can be viewed as an betterment over the one proposed in, which is designed to suit a figure of desirable characteristics including no watchword tabular array, waiter hallmark, etc. But the major restriction of is a comparatively high calculation cost. This is improved with a new proposal in by working the advantages of pre-computation, i.e. , dearly-won operations are completed in the offline-phase ( before the hallmark ) . It is claimed in that their strategy can forestall offline-dictionary onslaughts even if the secret information stored in a smart card is compromised. PRODUCT FEATURES Existing strategy was farther improved by hearty strategy shows that aggressors can successfully portray the user with old watchword and old informations in the smart card. Therefore, a new strategy was proposed to repair that defect, together with several other new belongingss such as forward secretiveness and watchword altering without any interaction with the waiter. The security analysis made in indicates that the improved strategy remains unafraid under offline-dictionary onslaught in the smart-card loss instance. An betterment strategy was late introduced by hearty strategy. Compared with the old strategy, the new strategy in provides the serviceability of password-changing operations and has several desirable key belongingss. DESIGN AND IMPLEMENTATION CONSTRAINTS Constraints IN ANALYSIS Constraints as Informal Text Constraints as Operational Restrictions Constraints Integrated in Existing Model Concepts Constraints as a Separate Concept Constraints Implied by the Model Structures Constraints IN DESIGN Determination of the Involved Classs Determination of the Involved Objects Determination of the Involved Actions Determination of the Require Clauses Global actions and Constraint Realization Constraints IN IMPLEMENTATION A assorted leveled organizing of dealingss may convey approximately more categories and a more addled construction to put to death. Accordingly it is suiting to alter the assorted leveled connexion construction to an easier construction, for illustration, an established degree one. It is slightly direct to alter the formed assorted leveled theoretical account into a bipartite, degree theoretical account, consisting of categories from one position and degree dealingss on the other. Flat dealingss are favored at the outline degree for grounds of effortlessness and usage easiness. There is no personality or usefulness connected with a flat connexion. A flat connexion compares with the connexion thought of element relationship demonstrating and legion point situated systems. SYSTEM FEATURES This paper returned to the security of two secret key validated cardinal assention conventions using superb cards. While they were thought to be unafraid, we demonstrated that these conventions are faulty under their ain intuitions separately. Specifically, we considered a few kinds of enemies which were non viewed as in their lineations, e.g. , enemies with precomputed information put off in the astute card and enemies with diverse information ( as for typical clip gaps ) put away in the smartcard. These enemies speak to the possible dangers in spread models and are non the same as the usually known 1s, which we accept merit the consideration from both the scholarly universe and the concern. We likewise proposed the replies for fix the security defects. At the terminal of the twenty-four hours, our results highlight the criticality of extended security theoretical accounts and formal security scrutiny on the constellation of secret word verified cardinal assention conventions using superb cards. EXTERNAL INTERFACE REQUIREMENTS USER INTERFACES 1. All the substance in the undertaking are executed utilizing Graphical Client Interface ( GUI ) in Java through JSP 2. Each theoretical piece of the ventures is reflected using the JSP with Java 3. Framework gets the information and conveys through the GUI based. HardwareInterfaces ISDN You can unify your AS/400 to a Joined Organizations Automated Framework ( ISDN ) for faster, more exact informations transmittal. An ISDN is an unfastened or private electronic correspondences sort out that can assist informations, facsimile, image, and diverse organisations over the same physical interface. Similarly, you can utilize typical traditions on ISDN, for case, IDLC and X.25. SOFTWARE INTERFACES This merchandise is associated with the TCP/IP convention, Attachment and listening on fresh ports. Server Attachment and listening on fresh ports and JDK 1.6. COMMUNICATION INTERFACES 1. TCP/IP protocol. OTHER NONFUNCTIONAL REQUIREMENTS Performance Requirement To incorporate the several advantages of internal and external images, a straightforward scheme is to choose external images when the laterality mark of the internal images is below a predefined threshold. However, this threshold-based method is non elegant and the threshold is normally difficult to find. Therefore we propose a bunch based strategy to jointly choose the best summarisation from internal every bit good as external images, in an incorporate manner. Safety REQUIREMENTS 1. The merchandise may be security know aparting. Provided that this is true, there are issues connected with its trustiness degree 2. The merchandise may non be security know aparting in malice of the fact that it structures some piece of a well-being basic model. Case in point, programming may basically log exchanges. 3. In the event that a model must be of a high reputability degree and if the merchandise is indicated to be of that uprightness degree, so the equipment must be at any rate of the same honestness degree. 4. There is small point in presenting â€Å" flawless † codification in some idiom if equipment and model scheduling ( in broadest sense ) are non solid. 5. On the off opportunity that a Personal computer model is to run scheduling of a high uprightness degree so that model ought non in the interim oblige scheduling of a lower honestness degree. 6. Models with typical requirements for wellbeing degrees must be divided. 7. Something else, the largest sum of trustiness obliged must be connected to all models in the same environment Faculties Information STOCKPILLING Plan In most savvy card-based secret word verification programs, superb cards merely hive away the information created amid the enlistment phase. Consequently, an enemy with the astute card can merely acquire the information produced in that phase. However, this is diverse in bing convention, where the savvy card contains the information delivered amid the enlistment phase every bit good as created amid the precomputation phase. Along these lines, an enemy with the superb card in can acquire both kinds of information SECRET WORDCHANGING Scheme As one can see, the important intent for the online and disconnected from the net word mention assaults on is the constellation of the superb card in registration phase, where V is figured with the terminal end of executing war cry altering with no connexion with the waiter. To do the convention secure, we can calculate V in an surrogate mode A alteration of bing program was as of late presented by robust strategy. Contrasted and the old program, the new program in gives the easiness of usage of secret key altering operations and has a few attractive key belongingss. HEARTY SCHEME In this paper, we consider an enemy who has the capacity separate the information put off in the superb card of a peculiar client more than one time, i.e. , the enemy has the information in the astute card delivered at typical clip infinites because of secret word germinating. Such an enemy can efficaciously ( with overmastering likeliness ) figure the watchwords picked by a client in robust program. So we proposed new program that is powerful robust program for Smart-Card secret key confirmation Architecture Diagram Attacker with Pre-Computed Data in the Smart Card img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/1577157.003.png"img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/1577157.002.png"img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/1577157.001.png"/ img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/1577157.005.png"img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/1577157.004.png"img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/1577157.006.png"/ Attacker with Different Data in the Smart Card: img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/1577157.008.png"img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/1577157.007.png"/ img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/1577157.011.png"img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/1577157.010.png"img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/1577157.009.png"/ img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/1577157.013.png"img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/1577157.012.png"/ Decision This paper returned to the security of two secret word understanding conventions using shrewd cards. While they were thought to be unafraid, we demonstrated that these conventions are faulty under their ain intuitions individually. Specifically, we considered a few kinds of enemies which were non thought to be in their programs, e.g. , enemies with precomputed information put off in the acute card and enemies with typical information ( sing diverse clip infinites ) put away in the smartcard. These enemies speak to the possible dangers in appropriated models and are non the same as the normally known 1s, which we accept merit the consideration from both the scholarly universe and the concern. We to boot proposed the replies for fix the security defects. At the terminal of the twenty-four hours, our results highlight the essentiality of extended security theoretical accounts and formal security probe on the lineation of war cry validated cardinal assention conventions using superb card s. Mentions 1 ] K-K. R. Choo, C. Boyd, and Y. Hitchcock, â€Å" The criticality of verifications of security for cardinal foundation conventions: Formal scrutiny of Jan-Chen, Yang-Shen-Shieh, Kim-Huh-Hwang-Lee, Lin-Sun-Hwang, and Yeh-Sun conventions, † Comput. Commun. , vol. 29, no. 15, pp. 2788-2797, 2006. [ 2 ] H. Chien, J. Jan, and Y. Tseng, â€Å" A productive and functional reply for distant verification: Smart card, † Comput. Secur. , vol. 21, no. 4, pp. 372-375, Aug. 2002. [ 3 ] T.F. Cheng, J.S. Lee, and C.C. Chang, â€Å" Security ascent of an IC-card-based remote login instrument, † Comput.Netw. , vol. 51, no. 9, pp. 2280-2287, Jun. 2007. [ 4 ] C.-I Fan, Y.-C Chan, and Z.-K Zhang, â€Å" Powerful distant verification program with astute cards † . Comput.Secur. , vol. 24, no. 8, pp. 619-628, Nov. 2005. [ 5 ] J. Hu, D. Gingrich, and A. Sentosa, â€Å" A k-closest neighbour attack for client verification through biometric keystroke flow † , IEEE ICC Conference, pp. 1556-1560, Beijing, China, May 2008. [ 6 ] C.L. Hsu, â€Å" Security of Chien et Al ‘s. remote client verification program using savvy cards † , Comput. Stand. Entomb. , vol. 26, no. 3, pp. 167C169, May 2004. [ 7 ] X. Huang, Y. Xiang, A. Chonka, J. Zhou and R.H. Deng, â€Å" A Generic Framework for Three-Factor Authentication: Preserving Security and Privacy in Distributed Systems † , IEEE Trans. Parallel Distrib. Syst, vol. 22, no. 8, pp.1390-1397, Aug. 2011. [ 8 ] W. S. Juang, S. T. Chen, and H. T. Liaw, â€Å" Hearty and proficient secret key validated cardinal assention using astute cards, † IEEE Trans. Ind. Electron. , vol. 55, no. 6, pp. 2551-2556, Jun. 2008. [ 9 ] W. C. Ku and S. M. Chen, â€Å" Defects and ascents of a proficient secret key based distant client proof program using astute cards, † IEEE Trans. Consum.Electron. , vol. 50, no. 1, pp. 204-207, Feb. 2004. [ 10 ] P. C. Kocher, J. Jaffe, and B. Jun, â€Å" Differential force scrutiny, † in Proc. Progresss in Cryptology-CRYPTO’99, M. J. Wiener, Ed, 1999, LNCS, vol. 1666, pp. 388-397. How to cite An Efficient and Practical Solution to Secure the Passwords of Smartcards, Essay examples

Imagination Real or Fake Essay Example For Students

Imagination Real or Fake Essay The mind can create its own world rather than the other way about. William Wordsworth, Percy Bysshe Shelly, John Keats, and Robert Browning all display a certain power of imagination, in which the mind is capable of creating its own world. From the imagination of poets, words live on, depicting scenes as if one was involved. William Wordsworth displays a great deal of imagination in his poem I Wandered Lonely As a Cloud. He uses personification to create an image so beautiful and real. A host of golden daffodils/dancing in the breeze(4-7) here Wordsworth creates an image that the daffodils are inviting strangers in and entertaining or dancing for them. Wordsworth says I gazed- and gazed- but little thought/ what wealth the show to me had brought,(17-18) he didnt realize what the scenery meant to him until he wasnt around it. Through his words, readers can experience the dancing of the daffodils. Percy Bysshe Shelly takes the reader on a journey in his poem Ozymandias. I met a traveler from an antique land, Shelly says in the first line. From the beginning of the poem, the mind is able to create its own antique land, because Shelly doesnt specify from the real world what an antique land is. Shellys use of imagery allows the reader to picture the traveler, And wrinkled lip, and sneer of cold command(4). Shelly used words that allow the mind to create. John Keats is another poet whose words allow the mind to create its own world. In Ozymandias, Keats says, Thou still unravished bride of quietness,(1). He is allowing the readers to create their own unravished bride of quietness. At the end of the poem, Keats leaves us with a great quote; Beauty is truth, truth beauty,(49). He is saying that beauty can be found in anything that is real or true. My Last Duchess by Robert Browning, gives the reader scenery, but leaves blanks for the mind to wander. Looking as if she were alive,(2) one might wander why she isnt still alive. I gave commands,(45) well what kind of commands? By leaving questions, Browning allows the mind the mind to explore options and try to find solutions. Poetry leaves a world for the mind to create what is beautiful. Wordsworth, Shelly, Keats, and Browning all do an excellent job of allowing the mind to create its own world. They allow the power of imagination to take over. Bibliography:Literature: An introduction to Fiction,Poetry, and Drama. Ed. X.J. Kennedy, Dana Gioia. 7th Ed. 463-68