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Doctor insights on: Positive Treadmill Stress Test

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False positive stress test reason?

False positive stress test reason?

Body habitus: Most common cause of false positive stress test is body habitus. This commonly affects women because the heart rhythm needs to be picked up through their breast tissue. ...Read more

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Dr. Heidi Fowler
3,144 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


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My stress test results read " positive exercise stress test for ischemia by EKG criteria. What does that mean?

My stress test results read " positive exercise stress test for ischemia by EKG criteria. What does that mean?

This means that the: EKG portion of your stress test had changes in the waveforms that have been known to be associated with blockages of the coronary arteries. Unfortunately, greater than 15% of the time this is inaccurate in women. Less than 5% of the time in men. This is why we always do stress testing in women along with nuclear imaging. If the nuclear imaging is negative then the EKG changes are FALSE positive. ...Read more

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Positive HIV screener test at blood donation... Negative IFA and Negative NAT... False positive?

Positive HIV screener test at blood donation... Negative IFA and Negative NAT... False positive?

Yes: The initial screening test for HIV is very sensitive, but not very specific. The back up screening tests are much more specific for HIV. ...Read more

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Could nuclear stress tests be false?

Could nuclear stress tests be false?

Yes...: Yes...Nuclear stress tests can have false positive results. There are different types of nuclear stress tests. There is treadmill vs. Pharmacologic and there is spect vs. Pet. There are also many different tracers such as thallium or technetium for spect and ammonia or rubidium for pet. Each type of test has its own possible pitfalls. Artifacts are often the case of false positive. ...Read more

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Positive quantiferon gold test but negative xray?

Positive quantiferon gold test but negative xray?

See below: It means that you have been exposed to tb. A chest x-ray that is positive would indicate either past or active infection. ...Read more

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Will meth influence a false negative on a at home pregnancy test ?

Will meth influence a false negative on a at home pregnancy test ?

Unlikely: Meth is not likely to read as a positive home pregnancy test. however, meth has significant harmful effects on your body and on the baby, if you are pregnant. I would strongly urge you to stop using meth and seek help to discontinue this habit. ...Read more

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Erosive gastritis. h.pylori blood test positive, breath test positive, stool antigen test negative, biopsy negative. what to do ?

Erosive gastritis. h.pylori blood test positive, breath test positive, stool antigen test negative, biopsy negative.  what to do ?

Treat it: The positive H. pylori antibody test is not a reliable indicator of current infection. The gold standard for H. pylori treatment is the gastric biopsy, and this is negative in this patient. However, I am impressed by the positive breath test and erosive gastritis. I would have expected stool antigen to be positive, as it mirrors the breath test. Given the discrepant results, treat the patient. ...Read more

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What does a high positive ANA ifa test and negative choice antibody test mean?

What does a high positive ANA ifa test and negative choice antibody test mean?

See details: I have never heard of a choice antibody test. I positive ANA must be evaluated in the context of the clinical picture. It is a screening test for lupus but can be positive in numerous other diseases and often in people without any disease. ...Read more

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Echocardiogram good, blood tests good, stress test good except for reversible ischemia but test had 10% false positives should I trust the test ?

Echocardiogram good, blood tests good, stress test good except for reversible ischemia but test had 10% false positives should I trust the test ?

Screening test: Stress test is a screening test to determine if ischemia is present. It has good although not perfect reliability. You should discuss the results and next steps with your cardiologist. ...Read more

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I took 7 home pregnancy test all positive but doctor test say negative and blood test was negative why?

I took 7 home pregnancy test all positive but doctor test say negative and blood test was negative why?

Please clarify: Perhaps the reason can be known when you tell us honestly why you kept testing at home even though the test told you a positive answer. Something must have clued you into the fact something was not normal. You tell us. ...Read more

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Is a four week negative HIV antibody test / negative PCR test reliable?

Is a four week negative HIV antibody test / negative PCR test reliable?

HIV diagnosis: Antibody titers have been reported to be delayed as long as six months, but this is very unusual. A negative pcr for viral RNA is virtually determinative of the absence of infection. ...Read more

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What would an echo stress test show....That a regular echo test doesn't?

What would an echo stress test show....That a regular echo test doesn't?

Change w/exercise : When excercised, or 'stressed', the heart needs more oxegen to function properly than at rest. If it's not getting that increase, the muscle will start to move in abnormal ways, which will show up on the echo. At rest, because it needs less oxegen, it may be getting enough, so it will look normal then. ...Read more

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Can pregnancy test show up negative when you're postive?

Can pregnancy test show up negative when you're postive?

Yes it can: It is called a false negative test because the test was either done too early or incorrectly when if fact a pregnancy existed. ...Read more

Dr. Andrew Berry
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