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Definition of Malignant hyperthermia
1. Noun. Hereditary condition in which certain anesthetics (e.g., halothane) cause high body temperatures and muscle rigidity.
Medical Definition of Malignant hyperthermia
1. A severe form of fever that occurs as a reaction to certain anaesthetic agents and muscle relaxants. Malignant hyperthermia is an inherited autosomal dominant condition. Inheritance: autosomal dominant. (27 Sep 1997)