- Exclusion Criteria for Screening ECG (A single repeat is allowed for eligibility determination): Exclusion Criteria for Screening ECG: Heart rate: (males) <45 and >100 bpm (females) <50 and >100 bpm, QRS duration: >120 msec, QTc interval (Bazett): > 450 msec. Non-sustained (>= 3 consecutive beats) or sustained ventricular tachycardia. Sinus Pauses >2.5 seconds. 2nd degree (Type II) or higher AV block. Evidence of previous myocardial infarction (pathologic Q waves, S-T segment changes (except early repolarization)).