Some patients have asked what tests are done for heart disease, here is the science. 1, electrocardiogram, if necessary, 24-hour ambulatory electrocardiogram. 2, blood pressure, blood sugar, lipids. 3.Heart ultrasound. 4.If coronary artery disease is suspected, do C T A. 5.If coronary artery stenosis is suspected, do coronary D S A. 6.Once diagnosed, treatment is a step-by-step affair.