American family physician
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Hypothermia is an underreported cause of death in the United States. The clinical presentation of hypothermia may include neurologic, cardiovascular and metabolic abnormalities. In severely hypothermic patients, evaluation may reveal no signs of life until the patient is rewarmed. ⋯ Groups at particular risk for hypothermia include outdoor workers, the homeless, trauma victims and the very young or very old. Also at risk are persons with preexisting serious illnesses and those who are taking medications or abusing drugs. Cardiac arrest, hypotension, unresponsiveness and severe hyperkalemia portend a poorer prognosis.
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The incidence of acute rheumatic fever is increasing in the United States, but many physicians are now unfamiliar with the diagnosis and treatment of this disease. The revised Jones criteria provide guidance for the diagnosis of rheumatic fever; two major criteria or one major and two minor manifestations are required to make the diagnosis. Salicylates are usually the initial treatment of choice for the arthritis of rheumatic fever. Penicillin remains the recommended prophylactic agent for secondary prevention.