9. continued from 8: e) Any history of clinically significant ventricular arrhythmias (such as ventricular tachycardia, ventricular fibrillation, Wolff-Parkinson-White (WPW) syndrome, or torsade de pointes). Prolonged QTc interval on pre-entry electrocardiogram (> 450 msec). If the automated reading is prolonged (i.e., > 450 msec), the ECG should be manually overread. f) Any history of second or third degree heart block (may be eligible if currently have a pacemaker) g) Heart rate < 50 / minute on pre-entry electrocardiogram h) Uncontrolled hypertension (blood pressure >140 sys. and >90 dia.)