Question	True	False
1. The following features are diagnostic of left anterior fascicular block on electrocardiogram (ECG):
(a) Left axis deviation
(b) qR complexes in leads I and aVL
(c) rS complexes in leads II, III and aVF
(d) PR interval>200 ms
2. The following features are diagnostic of left bundle branch block on ECG:
(a) QRS duration>120 ms
(b) Dominant S wave in lead V6
(c) Absence of Q wave in leads I, V5 and V6
(d) Monomorphic R wave in leads 1, V5 and V6
3. The following features are diagnostic of right bundle branch block on ECG:
(a) QRS duration>120 ms
(b) RSR’ pattern in leads V1 and V2
(c) PR interval>200 ms
(d) S wave in leads I, aVL, V5 and V6
4. The following features are recommended for patient selection for subcutaneous implantable cardioverter-defibrillator:
(a) Young age
(b) Lack of vascular access
(c) Need for bradycardia pacing
(d) Need for anti-tachycardia pacing
5. The following features are part of Class 1 indications for biventricular implantable cardioverter-defibrillator:
(a) QRS duration≥150 ms
(b) Left bundle branch block
(c) Left ventricular ejection fraction (LVEF) 40%
(d) Atrial fibrillation