To investigate some clinical, laboratory characteristics and left ventricular dyssynchrony using Gated-SPECT imaging in patients after acute myocardial infartion. To assess the relationship between left ventricular dyssynchrony on Gated-SPECT imaging and some clinical features, echocardiography in patients after acute myocardial infarction. | Doctor dissertation Study of clinical characteristics and left ventricular dyssynchrony in patients after acute myocardial infarction using Gated-spect imaging