A patient has sustained damage to the sinoatrial node.Which heart rates indicate that the patient's atrioventricular node has taken over as the pacemaker for the heart?

Question

Quizplus · Accepted Answer

If the sinoatrial (SA)node becomes nonfunctional,the atrioventricular (AV)node can initiate each heartbeat,but at a slower rate of 40 to 60 beats per minute.B.The Bundle of His can generate a heartbeat at the rate of 20 to 35.A.No cardiac tissue will generate this speed of heartbeat.D.This is a normal heartbeat which would be generated by the sinoatrial node.

A Patient Has Sustained Damage to the Sinoatrial Node