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Doctor insights on: Thallium Stress Test

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Dr. Rick Koch
43 doctors shared insights

Thallium Stress Test (Definition)

A radioactive isotope of thallium, often 201, is injected iv. Heart muscle cells pump some of the radioactive thallium inside; less if blood flow past the cells is limited. Thus cells (or scar tissue) with low blood flow intake less thallium & emit less radiation. A gamma camera detects some of the radiation which exits the body. Only severe, not mild, artery disease complications can be detected.

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Is the thallium stress test a risky thing to do?

Is the thallium stress test a risky thing to do?

Not generally: Some people are concerned that stressing a heart that does have coronary artery disease can cause heart attack. Fortunately never seems to be the case. Can get arrythmia from some meds, but complications also quite rare. Usually benefit far outweighs risk. ...Read more

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Dr. Bennett Werner
Board Certified, Cardiology
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What is a thallium stress test procedure?

What is a thallium stress test procedure?

Checks heart functio: Thallium is a radioactive (minimally) isotope that is used to study the pumping capability of the heart, usually after heart attack or prior to surgery in someone with cardiac disease. Sometimes it's done simply to ensure proper cardiac capability in someone with risk factors or prior heart issues. It involves mild to increasing exercise to "stress" the heart and assess function under effort! ...Read more

Dr. Bennett Werner
Board Certified, Cardiology
38 years in practice
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Dr. Robert Greer Dr. Greer
1 other doctor agreed:
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Angina and Chest Pain (Tip)

Angina and Chest Pain

Do see a doctor who can do a stress test to find out how bad the disease is. ...See more

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Overcoming Anxiety and Stress (Checklist)

As your stress or anxiety level is rising, stop what you're doing.
Once
Rate level of distress you're feeling from 0 (none) - 100 (overload)
Once
Ask yourself "What bad thing am I expecting to happen?"
Once
Slowly inhale through your nose and exhale through your mouth
Once
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Is thallium stress test a very common procedure?

Is thallium stress test a very common procedure?

Very common: A thallium stress test is an extremely common procedure that allows the doctor to monitor the electrical activity in your heart while you walk on a treadmill with a continuous ekg (usually takes 10min) and to take "before and after pics" of your heart. Pictures are taken before and after walking to see if there is an area of low blood flow, which suggests blockage in a coronary artery. ...Read more

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What is the definition or description of: thallium stress test?

What is the definition or description of: thallium stress test?

Stress with Thallium: A radioactive isotope of thallium, often 201, is injected iv. Heart muscle cells pump some of the radioactive thallium inside; less if blood flow past the cells is limited. Thus cells (or scar tissue) with low blood flow intake less thallium & emit less radiation. A gamma camera detects some of the radiation which exits the body. Only severe, not mild, artery disease complications can be detected. ...Read more

Board Certified, Cardiology
38 years in practice
60.0M people helped
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7
Heart attack (Tip)

Heart attack

Nearly 70% of heart attacks are caused by blockages <50% which will not be detected on a stress test. ...See more

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Overcoming Anxiety and Stress (Checklist)

Recognize your problem and get help
Once
Eliminate sources of stress, if possible
Once
Stay physically fit by eating healthy, exercising & sleeping.
Once
Involve support systems that you trust and feel comfortable with
Once
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What do I need to bring along to do the thallium stress test?

What do I need to bring along to do the thallium stress test?

Just you: Wear comfortable clothes and walking shoes (assuming it is an "exercise" not "chemical" stress). Don't eat or drink anything after midnight. Don't smoke for at least 4 hours before the test, and ask your doctor if you should adjust your morning medications (particularly Insulin if diabetic or a beta blocker - which is a blood pressure medication). ...Read more

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Do you have to stay away from people after a thallium stress test?

No: Thallium is a low frequency, low penetration radiation. Nothing to worry about. ...Read more

Dr. Heidi Fowler
2,663 doctors shared insights

Stress (Definition)

Stress affects most people in some way. Acute (sudden, short-term) stress leads to rapid changes throughout the body. Almost all body systems (the heart and blood vessels, immune system, lungs, digestive system, sensory organs, and brain) gear up to meet perceived danger. These stress responses could prove beneficial in a critical, life-or-death situation. Over time, however, repeated stressful situations put a strain on the body that may contribute to physical and psychological problems. Chronic (long-term) stress can have real health consequences and should be addressed like any other health concern. Fortunately, research is showing that lifestyle changes and stress-reduction techniques can help people learn ...Read more

Dr. Gary Sandler
3 doctors shared insights

Stress Test (Definition)

A stress test is a cardiac test which can include walking on a treadmill and monitoring your heart while you are walking. They can also inject you with a nuclear material and do a more comprehensive scan on your heart to check for blockage. They can also do a chemical stress test which omits the need to ...Read more

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Dr. Bennett Werner
Board Certified, Cardiology
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