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Malignant hyperthermia (MH) is a type of severe reaction that occurs in response to particular medications used during general anesthesia, among those who are susceptible. [1] Symptoms include muscle rigidity , fever , and a fast heart rate . [ 1 ]
Postanesthetic shivering is one of the leading causes of discomfort in patients recovering from general anesthesia. It usually results due to the anesthetic inhibiting the body's thermoregulatory capability, although cutaneous vasodilation (triggered by post-operative pain) may also be a causative factor.
Malignant hyperthermia is a rare complication of some types of general anesthesia. Hyperthermia can also be caused by a traumatic brain injury. [4] [5] [6] Hyperthermia differs from fever in that the body's temperature set point remains unchanged.
Newer anesthetics (such as desflurane) typically have smaller blood–gas partition coefficients than older ones (such as ether); this leads to faster onset of anesthesia and faster emergence from anesthesia once application of the anesthetic is stopped, which may be preferable in certain clinical scenarios.
An outgrowth of this committee, the Anesthesia Patient Safety Foundation, was created in 1985 as an independent, nonprofit corporation with the goal "that no patient shall be harmed by anesthesia". [73] The rare but major complication of general anaesthesia is malignant hyperthermia.
Harrison experimentally induced malignant hyperthermia with halothane anesthesia in genetically susceptible pigs, and obtained an 87.5% survival rate, where seven of his eight experiments survived after intravenous administration of dantrolene.
Heart disease is the No. 1 cause of death in the U.S. Yet, according to the American Heart Association, half of Americans are unaware of this sobering statistic. The good news is that a diet ...
A mutation in the RYR1 gene causing CNM may also cause susceptibility to malignant hyperthermia, a potentially life-threatening reaction to anesthesia. [1] While some patients with centronuclear myopathies remain ambulatory throughout their adult life, others may never crawl or walk and may require wheelchair use for mobility.