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Dr. Andrew Rynne
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Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Is Inducible Ischemia?

Hi My father is 59...He recently had body pain, throat infection and complained mild chest pain...we showed to doc and he recommended ECG and then TMT test. TMT test mentioned that Inducible ischemia is positive. what it means? What should be next step?
Mon, 6 Jul 2015
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Diabetologist,  's  Response
Hi,

Thanks your question.

Inducible ischemia on TMT means -

There is insufficient blood supply to heart when there is increased work load on heart.
This may be due to narrowing of blood vessels that supply blood to heart (coronary arteries).

In such situations during resting state blood flowing through coronary arteries is sufficient to meet metabolic need of heart.

But when there is increased work load on heart as during any type of physical or mental exertion, (there is increase in demand of oxygen and blood supply of exercising body to meet this demand heart has to work more) the blood flowing through coronary arteries is not sufficient to maintain metabolic need of heart.
In that case there may be development of changes of heart attack in heart.

In such situation it is advisable to do CAG (Coronary Angiography) to know
- Whether there is blockage in coronary arteries or not.
- Degree of blockage if present.
- Number of blockage.

Depending upon it appropriate treatment can be advised.

Hope this helps you, if so do vote as helpful.
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What Is Inducible Ischemia?

Hi, Thanks your question. Inducible ischemia on TMT means - There is insufficient blood supply to heart when there is increased work load on heart. This may be due to narrowing of blood vessels that supply blood to heart (coronary arteries). In such situations during resting state blood flowing through coronary arteries is sufficient to meet metabolic need of heart. But when there is increased work load on heart as during any type of physical or mental exertion, (there is increase in demand of oxygen and blood supply of exercising body to meet this demand heart has to work more) the blood flowing through coronary arteries is not sufficient to maintain metabolic need of heart. In that case there may be development of changes of heart attack in heart. In such situation it is advisable to do CAG (Coronary Angiography) to know - Whether there is blockage in coronary arteries or not. - Degree of blockage if present. - Number of blockage. Depending upon it appropriate treatment can be advised. Hope this helps you, if so do vote as helpful.