Physiology A person’s electrocardiogram (ECG) has no P wave, but has a normal QRS complex and a normal T wave. Therefore, his pacemaker is located in the A Sinoatrial (SA) node B Atrioventricular (AV) node C Bundle of His D Purkinje system 💡 Explanation A person's electrocardiogram (ECG) has no P wave, but has a normal QRS complex and a normal T wave. Therefore, his pacemaker is located in the ✓ Correct Answer: B. Atrioventricular (AV) node