Rapid and excessive rise of temperature accompanied by muscular rigidity following general anesthesia.

Synonyms: Malignant Hyperthermia, Anesthesia Related Hyperthermia, Hyperthermia, Anesthesia Related, Hyperpyrexia, Malignant, Malignant Hyperpyrexias, Hyperthermia of Anesthesia, Malignant Hyperpyrexia, Hyperthermia, Malignant, Anesthesia Hyperthermia