Sinus arrest during adenosine stress testing in liver transplant recipients with graft failure: Three case reports and a review of the literature

Adenosine should be used with caution in patients following orthotopic liver transplantation due to an increased risk of sinus arrest. Should sinus arrest or atrioventricular block occur, it appears to respond readily to cessation of adenosine infusion and intravenous aminophylline with no significant sequelae.