A surgical patient is receiving succinylcholine (Anectine) with an inhalation anesthetic. The patient is intubated, has an indwelling urinary catheter, and has ongoing monitoring of vital signs
Which symptom during the perioperative period is cause for concern?
a. Elevated temperature
b. Increased urine output
c. Muscle paralysis
d. No response to painful stimuli
ANS: A
Combining succinylcholine (a skeletal muscle relaxant) with an inhalation anesthetic increases the risk of malignant hyperthermia. The mechanism is not understood. Temperature elevation can be profound, and cooling measures must be initiated or the condition can be fatal. A decrease in urine output would be a sign of hypotension. Muscle paralysis and lack of response to pain are desired effects of anesthesia.
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