good cardiac clinics near me tmt test - why is done in diabetes people with diabetes are at high risk of coronary artery disease, as it tends to present late diabetes also suffer more silent heart muscle problems like ischemia this is why tmt is a life saver for diabetes as early detection and intervention can save lives. a stress test is an common test for identifying a heart problem like coronary artery disease it, s also used for determining the condition of your heart after a heart attack.