Question:
What is a cause of cardiogenic shock other than myocardial infarction?
What is a cause of cardiogenic shock other than myocardial infarction?
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Each mechanical and right-sided cause can produce shock.
Updated On: Jun 24, 2026
- Acute mitral regurgitation
- Ventricular septal rupture
- Isolated right ventricular shock
- All of the above
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Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: Cardiogenic shock is most frequently caused by left ventricular dysfunction, often following a myocardial infarction, but several other mechanical and right-sided causes exist.
Step 2: Acute mitral valve regurgitation suddenly overloads the left atrium and drops forward output, producing shock, so option 1 is a valid cause.
Step 3: Ventricular septal rupture (defect) shunts blood and impairs systemic output, and isolated right ventricular shock fails to deliver blood to the left heart, so options 2 and 3 are also valid causes.
Step 4: Because all three are recognized non-MI causes of cardiogenic shock (along with tamponade and cardiac rupture), the answer is option 4, all of the above.
Step 2: Acute mitral valve regurgitation suddenly overloads the left atrium and drops forward output, producing shock, so option 1 is a valid cause.
Step 3: Ventricular septal rupture (defect) shunts blood and impairs systemic output, and isolated right ventricular shock fails to deliver blood to the left heart, so options 2 and 3 are also valid causes.
Step 4: Because all three are recognized non-MI causes of cardiogenic shock (along with tamponade and cardiac rupture), the answer is option 4, all of the above.
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