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What Does TMT Positive For Ischemia Indicate?

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Posted on Wed, 25 Jun 2014
Question: I am 50 years old female.
my echo is normal
in tmt
sample name: stress test graded exercise treadmill
chest wall tenderness occured with exercise
stress ecg results: baseline ecg shows minimal ST depressionin infero-lateral leads which progressed to ST upslopping depression1 mm during the peak exercise ST
flattering in early recovery and downslopping in late recovery.
Pt C/O fatigue hence test terminated . no chest pain. no arrhythmias. TMT positive for inducible isvhemia at the given workload.
conclusions
stress test positive for ischemia
blood pressure response to exercise is normal.
doctor
Answered by Dr. Anantharamakrishnan (7 hours later)
Brief Answer:
You need further tests

Detailed Answer:
Dear friend,
Welcome to Health Care Magic

     If TMT (Treadmill Exercise ECG) suggests ischemia (positive), it is an indication for further work up – because at times, there may be false positive or false negatives / especially if the ST is up-sloping. The next step is TMT with thallium isotope. It is the ideal non-invasive way to evaluate ischemia / to assess the PHYSIOLOGY (function) – to see whether the blood arriving at the heart muscle.
     If there is a suggestion, the next step is to see the ANATOMY (structure) – undergo catheterisation and coronary angiography with a view for possible intervention. It is the only way to directly ‘see’ the block, if any – and its location, extent, severity and so on. Coronary arteriography is invasive but it is the gold standard for this. [CT angio is non-invasive study for the anatomy. If positive, she will need catheterisation, anyway.]

You need to be investigated for Coronary Artery Disease.

Take care
Good luck
Note: For further queries related to coronary artery disease and prevention, click here.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
Answered by
Dr.
Dr. Anantharamakrishnan

Cardiologist

Practicing since :1966

Answered : 4505 Questions

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What Does TMT Positive For Ischemia Indicate?

Brief Answer: You need further tests Detailed Answer: Dear friend, Welcome to Health Care Magic If TMT (Treadmill Exercise ECG) suggests ischemia (positive), it is an indication for further work up – because at times, there may be false positive or false negatives / especially if the ST is up-sloping. The next step is TMT with thallium isotope. It is the ideal non-invasive way to evaluate ischemia / to assess the PHYSIOLOGY (function) – to see whether the blood arriving at the heart muscle. If there is a suggestion, the next step is to see the ANATOMY (structure) – undergo catheterisation and coronary angiography with a view for possible intervention. It is the only way to directly ‘see’ the block, if any – and its location, extent, severity and so on. Coronary arteriography is invasive but it is the gold standard for this. [CT angio is non-invasive study for the anatomy. If positive, she will need catheterisation, anyway.] You need to be investigated for Coronary Artery Disease. Take care Good luck