If his atrioventricular conduction becomes excessive, occasional nondihydropyridine calcium channel blocker such as diltiazem or beta blockers would be appropriate; otherwise, I would keep him off those medications due to evidence of slow conduction in the presence of digitalis and beta blockers.
If his atrioventricular conduction becomes excessive , occasional nondihydropyridine calcium channel blocker such as diltiazem or beta blockers would be appropriate ; otherwise , I would keep him off those medications due to evidence of slow conduction in the presence of digitalis and beta blockers .