Which rhythm would be an emergency indication for the application of a transcutaneous pacemaker?
a. Asystole
b. Bradycardia (heart rate 40 beats/min) normotensive and alert
c. Bradycardia (heart rate 50 beats/min) with hypotension and syncope
d. Supraventricular tachycardia (heart rate 150 beats/min), hypotensive
C
Transcutaneous (external noninvasive) cardiac pacing is used during emergencies to treat symptomatic bradycardia (hypotension, altered mental status, angina, pulmonary edema) that has not responded to atropine. This patient is symptomatic.
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