There are several methods to check heart disease and coronary artery disease: 1, heart ultrasound, through the examination to determine whether there are heart valve diseases, such as rheumatic heart valve disease, congenital heart disease, dilated cardiomyopathy, ischemic cardiomyopathy and other myocardial lesions, and hypertrophic cardiomyopathy, etc. 2, electrocardiogram, dynamic electrocardiogram, can determine whether there is myocardial ischemia, arrhythmia, diagnosis of atrial fibrillation, ventricular premature, sick sinus syndrome and other diseases. The diagnosis of coronary artery disease is made by cardiography or coronary CT examination to determine the presence or absence of heart vessel stenosis.