NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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Which condition is a medical emergency among ventricular arrhythmias?

  1. Premature ventricular contractions

  2. Ventricular tachycardia

  3. Ventricular flutter and fibrillation

  4. All of the above

The correct answer is: Ventricular flutter and fibrillation

Ventricular flutter and fibrillation are considered medical emergencies among ventricular arrhythmias because they can quickly degenerate into pulseless ventricular tachycardia or ventricular fibrillation, both of which can lead to cardiac arrest. It is crucial to intervene promptly in cases of ventricular flutter or fibrillation to prevent the progression to more life-threatening arrhythmias. Although premature ventricular contractions and ventricular tachycardia are significant arrhythmias, they do not always require immediate emergency intervention as ventricular flutter and fibrillation do.

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