A child during anesthesia with Halothane and succincyl coA develops severe stiffness of masseters. What is the most probable diagnosis?: (A) Neuroleptic malignant syndrome, (B) Malignant hypehermia, (C) Anaphylaxis, (D) Halothane hepatitis
Answer is B. Malignant hypehermia is a condition that triggers a severe reaction to ceain drugs used as pa of anesthesia for surgery. Without prompt treatment, the disease can be fatal. The genes that cause malignant hypehermia are inherited. In most cases, no signs or symptoms of the condition exist until you are exposed to anesthesia. Malignant hypehermia is a genetic(autosomal dominant) hypermetabolic muscle disease. Triggering agents include Inhaled general anesthetics Ether Halothane Methoxyflurane Enflurane Isoflurane Desflurane Sevoflurane Depolarizing muscle relaxants Succinylcholine