Answer - Case of the month (Aug-2012)
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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
Answer:
D: This patient had massive pericardiac effusion with a swinging heart.