In which dysrhythmias should treatment be instituted immediately?
A) Asymptomatic sinus bradycardia at a heart rate of 50 beats/min
B) Fever-induced tachycardia at 122 beats/min
C) Premature atrial complexes occurring every 20 seconds
D) Atrial fibrillation with a ventricular rate of 220 beats/min
Correct Answer:
Verified
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