In the postoperative period, the nurse recognizes that which one of the following is an early sign of malignant hyperthermia?
a. Fever
b. Tachycardia
c. Muscle relaxation
d. Skin pallor
B
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A Temperature elevation is a late sign of malignant hyperthermia.
B Malignant hyperthermia should be suspected when unexpected tachypnea, tachycardia, premature ventricular contractions, unstable blood pressure, cyanosis, skin mottling, and muscular rigidity are evident.
C Muscle rigidity, not relaxation, is an early sign of malignant hyperthermia.
D Skin pallor is not an early sign of malignant hyperthermia. Skin pallor may be seen in the immediate postoperative period, as the body is cool.
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