<prompt> All are contraindications of digitalis exceptCarditisIncreased calciumAV blockHepatic failure  <response>: Digoxin is contraindicated in ... Myxedema low amount of potassium in the blood hyperophic cardiomyopathy atrioventricular hea block Wolff-Parkinson-White syndrome ventricular fibrillation sick sinus syndrome sinus bradycardia Amyloid Hea Muscle Disease kidney disease with a likely reduction in kidney function Ref: KD tripathi 8th ed 