continuous ecg monitoring was carried out until heart rate reduction and at least one of the following occurred : ( 1 ) relief of pain or ( 2 ) resolution of ischemic ecg changes . the study protocol consisted of carotid massage in three patients ( 16 % ) , intravenous propranolol in seven patients ( 37 % ) , slow intravenous amiodarone infusion in two patients ( 10 % ) , and intravenous verapamil in four patients ( 21 % ) with atrial fibrillation .
C0428977
heart rate
C0002598
amiodarone