Answer - Case of the month (Aug-2012)


Question: Note the changes in QRS height in V1-V4. What do you think is the cause?

A. AV re-entry tachycardia through a concealed bypass tract.

B. Left ventricular hypertrophy

C. Excessive breathing

D. Cardiac tamponade


D: This patient had massive pericardiac effusion with a swinging heart.