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hyperthermia. adj., adj hyperpyrex´ial, hyperpyrex´ic.
malignant hyperpyrexia malignant hyperthermia.
A severe and often fatal illness produced by exposure to excessively high temperatures, especially when accompanied by marked exertion; characterized by headache, vertigo, confusion, hot dry skin, and a slight rise in body temperature; in severe cases, high fever, vascular collapse, and coma develop.
malignant hyperpyrexia(1) Heatstroke.
(2) Malignant hyperthermia, see there.