D2I2.
genetic

Malignant hyperthermia

hyperthermia (MH) is a type of severe reaction that occurs in response to particular medications used during general anesthesia, among those who are susceptible. Symptoms include muscle rigidity, fever, and a fast heart rate. can include muscle breakdown and high blood . Most people who are susceptible to MH are generally unaffected when not exposed to triggering agents.

Underlined words are explained — tap any of them.

Symptoms — what it feels like

  • ·Muscle rigidity, high body temperature, fast heart rate

Causes — why it happens

  • ·Volatile anesthetic agents or succinylcholine in those who are susceptible

How it's found

  • ·Based on symptoms and situation, caffeine-halothane contracture test

Prevention

  • ·Avoiding potential triggers in those susceptible

Treatment

  • ·Dantrolene, supportive care

Complications

  • ·Rhabdomyolysis, high blood

Outlook

  • ·Risk of death: 5% (treatment), 75% (no treatment)
Plain-language summary adapted from Wikipedia. Not medical advice.