Physiological Adaptation Q 146

---

What is the most common complication of a myocardial infarction?

  

     A. Cardiogenic shock

     B. Heart failure

     C. Arrhythmias

     D. Pericarditis

    

    

Correct Answer: C. Arrhythmias

---

Arrhythmia, caused by oxygen deprivation to the myocardium, is the most common complication of an MI.

---

Option A: Cardiogenic shock, another complication of MI, is defined as the end stage of left ventricular dysfunction. The condition occurs in approximately 15% of clients with MI.

Option B: Because the pumping function of the heart is compromised by an MI, heart failure is the second most common complication.

Option D: Pericarditis most commonly results from a bacterial or viral infection but may occur after MI.

---