mdcat logical reasoning MCQ #796

A patient's ECG shows a prolonged PR interval. Which type of cardiac arrhythmia is most likely responsible for this condition?

mdcat logical reasoning MCQ #796

  1. Question 1

    Q1. A patient's ECG shows a prolonged PR interval. Which type of cardiac arrhythmia is most likely responsible for this condition?

    • A) Atrial Fibrillation
    • B) Atrial Flutter
    • C) Ventricular Tachycardia
    • D) Supraventricular Tachycardia

    Answer: Atrial Flutter

    Explanation: Atrial flutter is responsible for a prolonged PR interval because it originates from the atria and can cause an irregular heartbeat. Supraventricular tachycardia is associated with a narrow PR interval.