Treadmill testing (TMT) or cardiac stress testing is a non-invasive test done to find the stress on the heart. It involves recording the 12-lead ECG before, during, and after exercise on a treadmill for diagnosis of subclinical or latent ischaemia (decrease in blood supply to organs). It is usually done if you have symptoms of difficult in breathing, angina pain etc.It is a screening tool to test the effect of exercise on the heart.In this test patient is made to walk on a treadmill and electrical activity of the heart is measured withan ECG, and blood pressure recordings are taken every few minutes. As per a standard protocol patient is made to walk till target heart rate is reached, but if the patient develops chest discomfort or ECG changes the test is terminated.
No special preparation required
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