A patient who had a myocardial infarction is going to cardiac rehabilitation where progressive exercise is monitored by health care professionals. When would this patient be most vulnerable to injury and complications?
A)Between 5 and 9 days
B)Between 10 and 14 days
C)Between 15 and 20 days
D)Between 20 and 30 days

Question

Quizplus · Accepted Answer

After a myocardial infarction, healing takes place in a graduated fashion. Within 10 to 14 days, a collagen matrix is deposited as the beginning of a scar that is initially weak, mushy, and vulnerable to reinjury. It is during this time period, as the patient feels better and increases activity, that the scar is most susceptible to injury from increasing stress.

A Patient Who Had a Myocardial Infarction Is Going to Cardiac