A 76-year-old woman is admitted with palpitations. During the cardiovascular examination you notice irregular cannon 'a' waves. Which one of the following would account for this finding?
A.A Atrio-ventricular nodal re-entry tachycardia
B.A Atrial fibrillation with tricuspid stenosis
C.A Ventricular tachycardia with 1:1 ventricular-atrial conduction
D.A Complete heart block***
E.A Tricuspid regurgitation
A.A Atrio-ventricular nodal re-entry tachycardia
B.A Atrial fibrillation with tricuspid stenosis
C.A Ventricular tachycardia with 1:1 ventricular-atrial conduction
D.A Complete heart block***
E.A Tricuspid regurgitation
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cardiology