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lexiscan thallium stress test

A 47-year-old member asked:
Dr. Ankush Bansal
16 years experience Internal Medicine
No: Thallium is a low frequency, low penetration radiation. Nothing to worry about.
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A 41-year-old member asked:
Dr. Richard Tholen
40 years experience Plastic Surgery
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 surger ... Read More
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A 33-year-old member asked:
Dr. Luis Villaplana
34 years experience Internal Medicine
No: Very simple stress test.
A member asked:
Dr. Jeremy Proctor
11 years experience Family Medicine
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 tr ... Read More
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A 53-year-old male asked:
Dr. Robert Fietsam
34 years experience Thoracic Surgery
Shows blood flow : thallium is tagged to red blood cells. The heart is stressed (increase cardiac outpu), then nuclear scanning helps show if there is equal blood flow ... Read More
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A 56-year-old member asked:
Dr. Calvin Weisberger
50 years experience Cardiology
pharmacologic stress: Often we use other agents but Persantine is injected and the patient is either imaged soon after or after a little exercise, after the Persantine admi ... Read More
A 61-year-old male asked:
Dr. Rick Koch
Dr. Rick Koch answered
21 years experience Cardiology
Caffeine can: Interfere with pharmacological nuclear stress tests...Best would be to do test with exercise or defer to caffeine free time.
A 53-year-old member asked:
Dr. Michael Zevitz
36 years experience Internal medicine
None: Tbere is no radiation exposure on a nuclear cardiology stress test. The tracer chemical is a harmless radioisotope, usually technitium, but sometimes ... Read More
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A 48-year-old member asked:
Dr. Gerald Mandell
51 years experience Nuclear Medicine
Depends on situation: Nuclear stress test involves looking at perfusion of heart for defective areas representing coronary artery disease looking for areas of permanent dam ... Read More
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A 38-year-old member asked:
Dr. Brian Wosnitzer
17 years experience Nuclear Medicine
Yes...: Yes...Nuclear stress tests can have false positive results. There are different types of nuclear stress tests. There is treadmill vs. Pharmacologic ... Read More
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A 45-year-old member asked:
Dr. Sergio Schabelman
47 years experience Cardiology
NO: Nuclear stress test are done to evaluate coronary circulation/ blockages/CAD. As lagniappe they provide info re LV function. However, there are less e ... Read More
A 42-year-old female asked:
Dr. Calvin Weisberger
50 years experience Cardiology
Tests: in your age group the tests you had suggest that you presently have no significant problems with coronary blood flow. You won't get a guarantee for th ... Read More
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A 56-year-old member asked:
Dr. Yash Khanna
56 years experience Family Medicine
Adenosine stress $$$: The cost depends on where you live and whether test is being done in a hospital facility or cardiologist office the cost can vary from 800$ to 2000$.
A 44-year-old member asked:
Dr. Martin Bress
49 years experience Internal Medicine
See below.: This is a chemical stress test of blood flow to the heart muscle. It is used to evaluate patients who are unable to exercise. Pictures of blood flow a ... Read More
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A 43-year-old member asked:
Dr. Sherin Ibrahim Howett
17 years experience Sleep Medicine
Heart Disease Test: Thallium stress test is a nuclear imaging method that shows how well blood flows into the heart muscle, both at rest and during activity. Normal blood ... Read More
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A 41-year-old member asked:
Dr. Mark Stern
45 years experience Cardiology
It is never safe to : Although it is no more risky to smoke after a scan, it is never safe to smoke.
A 52-year-old member asked:
Dr. Elden Rand
20 years experience Cardiology
Yes: A stress test is designed to progressively increase the heart rate and cardiac workload in order to bring out signs and symptoms of obstructive corona ... Read More
A 50-year-old member asked:
Dr. Shahin Tavackoli
22 years experience Cardiology
Caffeine: You should avoid caffeine and beta blockers, just because they interfere with the test.
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A 48-year-old male asked:
Dr. Linda Gromko
47 years experience Family Medicine
Different info/risk: In a stress test, you have an echocardiogram (sound wave test to evaluate the muscle squeeze, valve function, etc), you exercise, and then get re-echo ... Read More
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A 35-year-old member asked:
Dr. Charles Jost
35 years experience Cardiology
Nuclear Cardiology: I believe you are referring to a cardiac nuclear stress test. This test involves two scans of the heart - at rest and 'stressed' - using the radioacti ... Read More
A 49-year-old member asked:
Dr. Louis Grenzer
54 years experience Cardiology
2 reasons: The Dobutamine is to make the heart pump harder and faster (stress the heart) in patients unable to walk on a treadmill. The echocardiogram is sometim ... Read More
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A 28-year-old female asked:
Dr. Gurmukh Singh
48 years experience Pathology
Why the tests?: All results need to be interpreted in the clinical context and the doctor who ordered the tests is in the best position to do that. Having said that , ... Read More
A 47-year-old member asked:
Dr. Brian Kaufman
18 years experience Internal Medicine
For what?: These tests provide different information and have different indications. Stress tests are to look for evidence to support a diagnosis of symptomatic ... Read More
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A 37-year-old member asked:
Dr. Jeffrey Everett
31 years experience Thoracic Surgery
Test for blockages: Persantine is used to augment changes seen in stress testing when coronary arteries have a blockage that limits flow.
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8 thanks

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