Answer - Case of the month (Jan 2011)

Q: What is the atrial rhythm and what is the ventricular rhythm?

A. Atrial fibrillation with conduction and ventricular aberrancy

B. Atrial fibrillation with ventricular escape rhythm

C. Sinus rhythm with total AV block and increased ventricular automaticity

D. Sinus rhythm with conduction competing with ventricular extrasystoles

Answer:

D. Sinus rhythm with conduction competing with ventricular extrasystoles