One of the nursing students asks the nursing instructor why someone would need cardiac surgery. What would be an appropriate response by the nursing instructor?
A) A ventricular aneurysm
B) Mitral valve sufficiency
C) An atrial aneurysm
D) Endocarditis
A
Feedback:
A ventricular aneurysm is the most lethal complication among clients who survive the acute stage of a myocardial infarction (MI). Because the motion of the myocardium may rupture the aneurysm, an emergency procedure may be performed to suture the weakened area. If waiting is possible, the stretched tissue is excised 4 to 8 weeks after the MI when scar tissue has formed. If surgery is performed too early, it is difficult to differentiate healthy from necrotic tissue, and sutures placed in necrotic tissue usually are not retained. Mitral valve insufficiency produces a "backup" of blood within the left atrium but is not necessarily a cause for surgery. Atrial aneurysm is rare. Endocarditis is an infection and does not require surgery.
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