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What is the pathophysiology of dengue hemorrhagic fever? |
What is the pathophysiology of dengue hemorrhagic fever? Dengue (DF) and dengue hemorrhagic fever (DHF) are caused by one of four closely related, but antigenically distinct, virus serotypes (DEN-1, DEN-2, DEN-3, and DEN-4), of the genus Flavivirus. Infection with one of these serotypes provides immunity to only that serotype for life, so persons living in a dengue-endemic area can have more than one dengue infection during their lifetime. DF and DHF are primarily diseases of tropical and sub tropical areas, and the four different dengue serotypes are maintained in a cycle that involves humans and the Aedes mosquito. However, Aedes aegypti, a domestic, day-biting mosquito that prefers to feed on humans, is the most common Aedes species. Infections produce a spectrum of clinical illness ranging from a nonspecific viral syndrome to severe and fatal hemorrhagic disease. Important risk factors for DHF include the strain of the infecting virus, as well as the age, and especially the prior dengue infection history of the patient. low platelets & low fibrinogen ( a state of DIC). |
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this link tells all you need ... Circulatory (blood). The overall vascular system is damaged by these fevers. ...Can't really pinpoint a system per se; ebola virus multiplies in virtually all tissue in the body, causing severe focal necrosis ('decay') and destruction. Much of this is seen in th... No a soar throat is not a significant symptom. A rapid high fever of 40-41 C. lasting up to a week, with a severe headache, pain behind the eyes, muscle and joint pain, rash, similar to a bad flu.... OK, the first key word is spirochetes. Spriochetes come in few diseases, but two of them are, Syphilis and Lyme disease, Brucellosis often shows up with Lyme disease, because the ticks carry the b... Dengue Hemorrhagic fever is caused by a different strain of the virus and is fatal. ...When you are ill or have a fever it is important to increase oral fluid intake, As the body sweats it can dehydrate if the fluid levels drop to low, Which can cause the patient s body to shut down... Because Dengue hemorrhagic fever is caused by a virus for which there is no known cure or vaccine, the only treatment is to treat the symptoms. this might include;- Rehydration with intravenous (IV... |
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