severe side effects were encountered in 13 : four patients developed interstitial pneumonitis , four patients developed incessant ventricular tachycardia , three patients taking amiodarone and digoxin sustained sinus node arrest with depression of escape foci , one patient developed hepatitis , and one patient developed hypercalcaemia with renal failure .
C0042514
ventricular tachycardia
C0012265
digoxin