As the nurse caring for a patient who has suffered a myocardial infarction that has damaged the sinoatrial (SA) node,you should plan to monitor for which of the following potential complications? Select all that apply.

A) Decreased heart rate
B) Increased heart rate
C) Decreased cardiac output
D) Decreased strength of ventricular contractions

Sinoatrial (SA) Node

A group of cells located in the right atrium of the heart that generates the electrical impulses controlling heart rate, also known as the heart's natural pacemaker.

Myocardial Infarction

A medical term for a heart attack, which occurs when blood flow to the heart muscle is blocked, causing tissue damage.

Decreased Heart Rate

A condition characterized by a heart rate that is lower than normal, which can be indicative of various health issues or a result of fitness level.