<prompt> A patient had an inferior wall myocardial infarction andwasmshock-Thereasonfohepatientbeing in shock is-Mitral regurgitationInfarction causing septal defectRight ventricular infarctionDeceased ejection fraction from left ventricle  <response>: Ref: R Alagappan - Manual of Practical Medicine 4th Edition.pg no:184 