A 30yr old man was taken to surgery for suspected acute appendicitis


Question Number 1110
Question:
A 30yr old man was taken to surgery for suspected acute appendicitis. He was administered general anesthesia consisting of halothane and succinylcholine. Suddenly the patient developed hyperthermia, muscle rigidity, tachycardia and hypertension. The anesthetist suspected that this man had Malignant Hyperthermia and successfully managed the patient with medication.
The medication used by the anesthetist is likely to have worked by
a) inhibiting the hypothalamus
b) blocking the atrio-ventricular bundle
c) vasodilating the peripheral vascular system
d) stabilises the autonomic system
e) impairing calcium-dependent muscle contraction


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