Smart as a pig: In 1968, in Salt Lake City, we were doing an aortic valve replacement. At that time, coronary artery angiograms were not routinely done before valve replacement surgery. No cardioplegia was available and we used to use a direct coronary cannulation by the Spencer Mallette coronary perfusion catheter. The blood was taken out with a Y connecting from the arterial line. Most of the time, it gave excellent myocardial protection. But this day, in spite of a technically perfect procedure, the heart would not beat when we tried to come off bypass. We tried several times without success and we could not understand why the hell the heart was not beating despite all our tricks. Dr. Nelson said, in times like these, we feel like a pig looking at the wrist watch and wondering how the damn thing works. Unfortunately, the patient passed away and on the autopsy, we could see there was early bifurcation of the left main and the coronary perfusion catheter had gone into the Circ leaving the entire anterior heart unprotected.