We report a case of cardiac tamponade resulting in a death following m
inimally invasive direct coronary artery bypass, Despite absence of cl
inical symptoms at the lime of hospital discharge, cardiac tamponade p
hysiology may have been evident on close evaluation of Doppler studies
of the left internal mammary artery. Performance of a predischarge tr
ansthoracic echocardiogram may have been confirmatory and lifesaving.