In some genetically susceptible children, anesthetic agents can trigger malignant hyperthermia. The nurse should be alert in observing that, in addition to an increased temperature, an early sign of this disorder is:
a. apnea.
b. bradycardia.
c. muscle rigidity.
d. decreased blood pressure.
ANS: C
Early signs of malignant hyperthermia include tachycardia, increasing blood pressure, tachypnea, mottled skin, and muscle rigidity. Apnea is not a sign of malignant hyperthermia. Tachycardia, not bradycardia, is an early sign of malignant hyperthermia. Increased blood pressure, not decreased blood pressure, is characteristic of malignant hyperthermia.
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