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What does malignant hyperthermia mean?

Dec 29, 2022 Source: Cainiu Health
Dr. Chen Qirui
Introduction
Malignant hyperthermia is a severe complication caused by the use of general anesthetics. The incidence is higher when anesthetics are used in combination with muscle relaxants and inhalational anesthetic agents. Inherited genetic defects are significant individual factors, among which hereditary disorders play a more important role. Symptoms of malignant hyperthermia include a sudden rise in body temperature, possibly reaching around 45 degrees Celsius, accompanied by skeletal muscle rigidity.

Malignant hyperthermia is extremely rare. It is a common inherited myopathy that not only has complex triggering factors but also develops very suddenly, causing serious harm to many people. What does malignant hyperthermia mean?

What Does Malignant Hyperthermia Mean

Malignant hyperthermia is a severe complication triggered by the use of general anesthetics. The incidence is higher when anesthetics are used in combination with muscle relaxants and inhaled anesthetic agents. Hereditary physical defects within families are significant contributing factors, among which genetic disorders play a particularly important role.

Symptoms of malignant hyperthermia include a sudden rise in body temperature, possibly reaching around 45 degrees Celsius, accompanied by skeletal muscle rigidity, shortness of breath, profuse sweating, altered mental status, and tachycardia. Physical examination may reveal elevated serum potassium, aspartate aminotransferase, and creatine phosphokinase levels, along with acute hypercapnia in the patient.

Once symptoms of malignant hyperthermia appear, prompt drug treatment becomes particularly critical, and dantrolene can serve as a specific antidote. It has achieved satisfactory results and helps relax skeletal muscles. When treating patients, the drug should be administered intravenously as quickly as possible to prevent circulatory collapse. Delayed delivery of the medication to its site of action may impair its full muscle-relaxing effect. Patients must understand knowledge about malignant hyperthermia and thoroughly learn about the disease. Medications should be taken strictly according to medical instructions to reduce the occurrence of side effects. We hope this response is helpful to you. Wishing you good health and happiness.


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