Cardiogenic shock due to acute severe mitral regurgitation complicating acute myocardial infarction: a report from the SHOCK trial registry. Should we emergently revascularize occluded coronaries for cardiogenic shock? - Thompson,C.R.; Buller,C.E.; Sleeper,L.A.; Antonelli,T.A.; Webb,J.G.; Jaber,W.A.; Abel,J.G.; Hochman,J.S. (J Am Coll Cardiol, 2000)