A patient suffers a myocardial infarction of the right atrium.The nurse notices that the patient is in an irregular heart rhythm.From this information, the nurse infers there is a disturbance of which node of the cardiac conduction system?

Question

Quizplus · Accepted Answer

The Sinoatrial (SA) node, located in the right atrium, is responsible for initiating the electrical impulses that determine heart rhythm. A myocardial infarction affecting the right atrium could disrupt the SA node's function, leading to an irregular heart rhythm.

A Patient Suffers a Myocardial Infarction of the Right Atrium