Q. What does borderline ST segment response mean in TMT?
Hello doctor,
I do regular health checkups and last year my test reports were normal. I had another health checkup last week. In my TMT it showed the impression as borderline ST segment response. Fair exercise tolerance. What does it mean? How serious is this? What is the next step? Tests like echocardiogram and resting ECG were normal. I am attaching my test reports.
Hi,
Welcome to icliniq.com.
I have gone through your reports (attachment removed to protect the patient's identity) very carefully. Do not worry as ST-T changes less than 1 mm are not significant in inferior leads, and in the anterior leads also the changes are less than 1 mm. You achieved the target heart rate, and exercise tolerance was also fair. The changes reverted to normal in less than a minute. I do not think you need to worry as echocardiogram was normal. The sensitivity of TMT (treadmill test) to rule out coronary artery disease is around 70 %. In 30 % of cases, it is a false positive. Are you a smoker or alcoholic?
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