a study of the indices of spiroergometry , tetrapolar rheography , echocardiography at rest and during bicycle ergometry in 50 patients after myocardial infarction prior to and after the use of nitrosorbide showed that the use of this drug to raise exercise tolerance was recommended to patients after myocardial infarction with a considerable enlargement of the left ventricle .
C0027051
myocardial infarction
C0021308
infarction