Case Study Dengue hemorrhagic fever

Jun 18th, 2015
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Dengue hemorrhagic fever is a severe, potentially deadly infection spread by certain species of mosquitoes (Aedes aegypti). Globally, 2.5 billion people live in areas where dengue viruses can be transmitted. In the Philippines, Hemorrhagic fever was first reported in 1953. In 1958, it became a notifiable disease in the country and was later reclassified as Dengue hemorrhagic fever. Dengue is a primary disease in the tropical and subtropical region. It is caused by one of four different but related viruses. It is spread by the bite of mosquitoes, most commonly the mosquito Aedes aegypti.

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INTRODUCTIONDengue hemorrhagic fever is a severe, potentially deadly infection spread by certain species of mosquitoes (Aedes aegypti). Globally, 2.5 billion people live in areas where dengue viruses can be transmitted. In the Philippines, Hemorrhagic fever was first reported in 1953. In 1958, it became a notifiable disease in the country and was later reclassified as Dengue hemorrhagic fever. Dengue is a primary disease in the tropical and subtropical region. It is caused by one of four different but related viruses. It is spread by the bite of mosquitoes, most commonly the mosquito Aedes aegypti. Itischaracterizedbyincreasedvascularpermeability,hypovolemiaandabnormalbloodclottingmechanisms.WHOcasedefinitionforDHF:1)feverorhistoryofrecentfever,2)thrombocytopenia(plateletcountequaltoorlessthan100x10/cumm),3)hemorrhagicmanifestationssuchaspetechiaeorovertbleedingphenomena,and4)evidenceofplasmaleakageduetoincreasevascularpermeability. Illnessisbiphasic;itbeginsabruptlywithfever,andinchildren,withmildupper respiratorycomplaintsoftenanorexia,facialflushandmildGIdisturbances.Coincidentwithdefervescenceanddecreasingplateletcount,thepatientsconditionsuddenlyworsens,withmarkedweakness,severerestlessness,facialpallorandoftendiaphoresis,severeabdominalpainan

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