RT Journal Article SR Electronic T1 Propafenone for the treatment of severe ventricular arrhythmias JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 601 OP 603 VO 131 IS 6 A1 S. W. Rabkin A1 C. E. Rotem A1 K. Boroomand-Rashti A1 B. Bar-Shlomo YR 1984 UL http://www.cmaj.ca/content/131/6/601.abstract AB Twenty-one patients whose severe ventricular arrhythmias were not controlled by other currently used antiarrhythmic agents or who were intolerant of those drugs were treated with a new antiarrhythmic agent, propafenone. This therapy was associated with complete or nearly complete suppression of premature ventricular beats in 15 (71%) of the patients, satisfactory control in 4 (19%) and no control in 2 (10%). The majority reported no adverse effects. The most frequent complaints were nausea or epigastric discomfort (in five patients) and lightheadedness or dizziness (in three patients). Thus, propafenone appeared to be an effective antiarrhythmic agent with an acceptable frequency of side effects when administered to patients whose ventricular arrhythmias were difficult to treat.