A 62-year-old woman is set to undergo an ablation procedure to treat a recalcitrant arrhythmia. Which of the following areas should be avoided in order to leave the atrioventricular (AV) node intact in this patient?
Between the inferior vena cava and tricuspid valve
Inferior to the opening of the coronary sinus
Lateral to junction of superior vena cava and right atrium
Junction of pulmonary vein and left atrium
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Cut-to-the-chase Answer (0:08):
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HY USMLE Answer (1:20):