Image Based Question – 73864

A following ECG was recorded from a patient presenting to the emergency. What is the likely diagnosis?

A. Sinus arrhythmia

B. Atrial F’brillation

C. PSVT

D. Heart block

Correct Answer » B Explanation

Ans: B. Atrial F’brillation

(Ref Harrisons 19/e p2080)

• The ECG shows absent P waves with baseline variation.
• This is seen in atrial fibrillation.

ECG in AF:

• Characterized by the lack of organized atrial activity and the irregularly irregular ventricular response.