Medicine The ECG of a patient with an aificial pacemaker in the right ventricle shows- A Right bundle branch block with narrow QRS complex B Right bundle branch block with broad QRS complex C Left bundle branch block with broad QRS complex D Left bundle branch block with narrow QRS complex 💡 Explanation The ECG of a patient with an aificial pacemaker in the right ventricle shows- ✓ Correct Answer: A. Right bundle branch block with narrow QRS complex