This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
What is the cause of myocardial shock other than MI ? 
Select and explain. 
A. acute mitral regurgitation, B. ventricular septal rupture, C. isolated right ventricular shock, D. all of the above
D: all of the above
Answer: D: all of the above 
Explanation: * Left ventricular dysfunction (LVD) - Most frequent cause of cardiogenic shock Followed by, * Acute mitral valve regurgitation Ventricular septal defect * Isolated right ventricular shock * Tamponade/ cardiac rupture REF : HARRISONS 21ST ED