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Doctor insights on: Nuclear Stress Test Vs Ct Angiogram

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Nuclear stress test and cardiac coronary CT angiogram, which do you recommend?

Nuclear stress test and cardiac coronary CT angiogram, which do you recommend?

Depends on situation: Nuclear stress test involves looking at perfusion of heart for defective areas representing coronary artery disease looking for areas of permanent damage versus areas that are reversible possible related to area of coronary narrowing. Coronary ct angiogram looks at anatomy of coronary arteries looking for areas of narrowing and blockage.Answer depends on information physician needs and insurance. ...Read more

Dr. Heidi Fowler
3,110 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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Had CT angiogram w contrast. Now card wants nuc stress test. Nurse said the pulm ordered CTA and just lungs looked at. Doesn't CTA look at heart too?

Had CT angiogram w contrast. Now card wants nuc stress test. Nurse said the pulm ordered CTA and just lungs looked at. Doesn't CTA look at heart too?

May be: The pul, doc ,if looking for pulmonary embolism it may not help but can see calcification on-the coronary artery if not a dedicated CTA for coronary calcium score it is not adequate and also this doesn't give a accurate status of stenosis . Stress test is the best option.a calcium score by itself shows there is coronary atherosclerosis not severity of disease ...Read more

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Had a stress test done dec 15th 10%false positive on it. At the hospital cardio doc said CT angiogram needed now he says no. Can i get one without a doctor referral cuz I have been left with that doub?

Had a stress test done dec 15th 10%false positive on it. At the hospital cardio doc said CT angiogram needed now he says no. Can i get one without a doctor referral cuz I have been left with that doub?

Another opinion: I would recommend that you go back to that doctor and express your concerns or get a second opinion. You would need a doctor order for that test but you may not need it so have someone explain it all to you first. ...Read more

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Ct scan results dr said pictures weren't very good. Wants me to get an nuclear stress test. Would it be feasible to ask for another CT scan?

Ct scan results dr said pictures weren't very good. 
Wants me to get an nuclear stress test. Would it be feasible to ask for another CT scan?

Unadvised but possib: Getting another CT scan is 99% likely to give the same picture as the 1st, barring an obvious problem (like the machine broke down, which they would have informed you at the site). Not sure what the nuclear stress test (cardiac?) or the CT scan (brain?) was for, but at this point, another modality is more likely to provide information than repeating the same test. CT scans involve lots of radiatio ...Read more

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What are the primary differences in a CT scan of heart and a nuclear stress test? Would one make more sense looking for blockages?

What are the primary differences in a CT scan of heart and a nuclear stress test? Would one make more sense looking for blockages?

CARDIAC IMAGING: A CT reveals anatomy with some limitation if heavy calcium is present & scanner technology dependent,A nuclear stress depends on the isotope (TCc vs Thallium vs one of the PET agents) reveals detailed information on function,often the 2 modalities are complementary and necessary for appropriate diagnosis and treatment/prognostication ...Read more

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Cardiac ct scan results dr said pictures weren't very good. Wants me to get a nuclear stress test. Would it be feasible to ask for another CT scan?

Cardiac ct scan results dr said pictures weren't very good. 
Wants me to get a nuclear stress test. Would it be feasible to ask for another CT scan?

Unadvised but possib: Getting another CT scan is 99% likely to give the same picture as the 1st, barring an obvious problem (like the machine broke down, which they would have informed you at the site). Another modality is more likely to provide information than repeating the same test. CT scans involve lots of radiation, & show calcium deposits & perhaps blood flow, but not if heart is affected. The Nuc stress will. ...Read more

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Ct scan of coronary arteries done in ER says 70% block or artifact. Follow up nuclear stress test 100% normal cardiologists says. What to think now?

Ct scan of coronary arteries done in ER says 70% block or artifact. Follow up nuclear stress test 100% normal cardiologists says. What to think now?

Heart...: Cardiac ct is anatomic imaging. Nuclear stress is more functional imaging. Without seeing your ct it is hard to say but if there was a calcified plaque in the coronary, a blooming artifact is possible. If nuclear stress was normal, that's great. You may still have coronary disease which is not hemodynamically significant. You are young for significant heart disease. Discuss with your doctor. ...Read more

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Cardiology: Is the so-called warm flush feeling one gets from a coronary CTA exam the same feeling as the fast HR of a nuclear stress test, or not?

Cardiology: Is the so-called warm flush feeling one gets from a coronary CTA exam the same feeling as the fast HR of a nuclear stress test, or not?

Same & different: The warm flush of a nuclear stress if from regadenoson or adenosine. A coronary CTA uses iodinated x-ray contrast agent - completely different. However, the feeling may feel similar. A flush is a flush. Niacin can do this too. So can being embarrassed. ...Read more

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Is nuclear stress test or Cardiac CTA better for ruling out clogged arteries? My nuclear test was clear but they couldnt do CTA due to heart rate.

Is nuclear stress test or Cardiac CTA better for ruling out clogged arteries? My nuclear test was clear but they couldnt do CTA due to heart rate.

Nuclear stress test: The nuclear stress test is better because (1) it is a functional test - your heart is actually "stressed" to beat harder, & (2) you can do it at any heart rate (as you've seen). The cardiac CTA only tells you anatomy - whether or not there is calcium in the arteries - not how your heart functions. Not all plaques contain calcium, either, so cardiac CTA has false negatives also. Talk to your doctor ...Read more

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I had an echo twice. A CT heart angiogram. Stress test. And a chest CT with double contrast.Could all of this miss a artery that is, blocked or partially blocked?Chest pain is bad so I am not sure why?

I had an echo twice. A CT heart angiogram. Stress test. And a chest CT with double contrast.Could all of this miss a artery that is, blocked or partially blocked?Chest pain is bad so I am not sure why?

Highly doubtful: You have had many high tech procedures aimed at evaluating your chest pain: ct angiogram, stress test, and double contrast ct. If looking for a coronary artery obstruction, these should be sufficient. The likelihood of finding a blockage in a person this age range is already exceptionally low, for heart vessel blockages don't occur in this age gp. Must be some other process causing the pain. ...Read more

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Normal ekgs..Normal echo..Normal stress test..Normal chest xray and blood work good..Is a CT coronary angiogram needed? Or all these tests sufficient?

Normal ekgs..Normal echo..Normal stress test..Normal chest xray and blood work good..Is a CT coronary angiogram needed? Or all these tests sufficient?

Probably sufficient: I assume that these tests were done for evaluation of chest pain. Unless you have extreme risk factors, the likelihood of chest pain being related to coronary artery disease in a 28 year old is very low. The key to determining the cause of your chest pain is a good history by an expert clinician, supported by a full examination. There are many non-cardiac causes of chest pain. ...Read more

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Ct angiogram score of 0 in 2012, 2 negative stress echo and 3d echo. Dad heart attack at 50 and I have CHD papvr. Chest pain but negative test. Help?

Ct angiogram score of 0 in 2012, 2 negative stress echo and 3d echo. Dad heart attack at 50 and I have CHD papvr. Chest pain but negative test. Help?

CTA score?: We don't report a score with a coronary artery CTA. CAC (coronary artery calcium) score is done with CT but without IV contrast. The nonconrast study looks at calcified plaque and is useful for risk stratification but would not detect non calcified plaque as a CTA would. Partial anomalous pulmonary venous return is an extra cardiac left to right shunt and could eventually lead to pulm HTN. ...Read more

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31 m heavy breathing / shortness breath feels full at rest. Gets worse daily. Breathing patterns becoming different Got echo holter nuclear stress test / bronchoscopy pft and chest Ct scan normal. Pft showed positive mehtanine airway D? Cancer?heart

31 m heavy breathing / shortness breath feels full at rest. Gets worse daily. Breathing patterns becoming different Got echo holter nuclear stress  test / bronchoscopy pft and chest Ct scan normal. Pft showed positive mehtanine airway D? Cancer?heart

Needs evaluation: The answer to your question requires an evaluation and review of the information from the tests you have already had. Cancer and heart disease are both very rare and unlikely in previously healthy 31 year old men. ...Read more

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In Jan, I had 5 x-rays,c scan and barium enema now I am going to have a non walking nuclear stress test. Is this too radistion in this time.frame?

In Jan, I had 5 x-rays,c scan and barium enema now I am going to have a non walking nuclear stress test. Is  this too radistion in this time.frame?

The theoretical: lifetime cancer risk for diagnostic imaging is generally minimal. It is cumulative, but it doesn't really matter whether you had those tests in one day or 6 months apart. So, the answer to your question is no, it won't make a difference within that time frame. ...Read more

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My doctor ordered a nuclear stress test but I am concern about the risks and nuclear injection?

My doctor ordered a nuclear stress test but I am concern about the risks and nuclear injection?

Talk to your doc...: It is quite normal to be apprehensive about the test and potential side effect of med/material you are given. The substances often used in nuclear stress test is called thallium-201 or technetium-99 radioactive isotopes. The amount used is quite small and long-term cancer risk is less than 1 in 1000 in older adults. I recommend discussing your concern with your doc. Good luck. ...Read more

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Can a nuclear stress test cause you problems?

Typically not: The only "risk" would be during the stress part, when one runs on a treadmill or gets a drug alternative. However, there is little risk here because this is monitored with an ekg and supervised by a cardiologist/nuclear physician. One drug that is used for stress even has an agent that can reverse its side effects. In summary, under normal standard-of care-conditions, there should be little risk. ...Read more

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My cardiology order a nuclear stress test can you explain what is this thanks?

My cardiology order a nuclear stress test can you explain what is this thanks?

Stress test: A nuclear stress test detects blood supply to the heart. A radioactive tracer is injected into the veins at peak exercise or with a vasodilator. The tracer is taken up by the heart cells and the uprake is proportional to blood flow. By comparing uptake at rest versus exercise we can determine if blood flow is compromised. ...Read more

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Dr. William Singer
1 doctor shared a insight

Computed Tomography (Definition)

Ct uses xrays taken an 360 degrees combined with a computer to see"inside" the body. The table moves as the xray tube and detectors spin around the patient 10 times a second or more! the image shows excellent soft tissue detail, enhanced with injection of intravenous contrast or oral contrast. This way the body is shown in slices, in any plane, usually axially, but ...Read more


Dr. Steven Griggs
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