While instructing a patient on what occurs with a myocardial infarction,the nurse plans to explain which process?
A) Coronary artery spasm.
B) Decreased blood flow ( ischemia ).
C) Death of cardiac muscle from lack of oxygen ( tissue necrosis ).
D) Sporadic decrease in oxygen to the heart ( transient oxygen imbalance ).

Question

Quizplus · Accepted Answer

Acute myocardial infarction is death (tissue necrosis)of the myocardium that is caused by lack of blood supply from the occlusion of a coronary artery and its branches.Coronary artery spasms and transient oxygen imbalance are not related to a myocardial infarction.Ischemia,if not reversed,will eventually lead to tissue necrosis.

While Instructing a Patient on What Occurs with a Myocardial