The automatic external defibrillator will indicate that a shock is needed if it detects which of the following rhythms?
1. Bradycardia
2. Atrial fibrillation
3. Ventricular fibrillation
4. Ventricular tachycardia
a. 1 only
b. 1 and 2 only
c. 3 and 4 only
d. 1, 2, and 3 only
ANS: C
If the automatic external defibrillator detects ventricular tachycardia or ventricular fibrillation, it advises the rescuer through voice and visual prompts that a shock be delivered.
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