A 54-year-old male asked:
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which procedure is more useful to detect artery blockage, angiography, ct angiogram, or cardiac catheterization and why?

4 doctor answers
Dr. James Wilentz
44 years experience Cardiology
Coronary Angiogram: Ct angiography is excellent at screening for coronary blockages but does not give the same spatial resolution as a direct angiogram. That said, in many cases it can be a starting point for evaluation along with stress testing. Many insurers do not cover this service except in unusual circumstances. The method is advancing quickly, and it is important to have it done with an advanced device.
Answered on Jun 9, 2018
Dr. Eric Goodman
26 years experience Radiology
Both tests are good: Both tests are excellent tests to detect artery blockages. Ct angiogram has the advantage of being a non invasive test and can be performed in a clinic. Cardiac catheterization ( angiography) is considered the gold standard for the detection of artery blockages. The test is performed at a hospital and is mildly invasive.
Answered on Dec 21, 2017
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Dr. Edward Druy
52 years experience Radiology
All are useful: Ct angiogram is non-invasive and takes only a few minutes in a ct scanner. It is an accurate screening test to detect blockages. If you are talking about your heart, the angiography and cardiac catheterization are different names for the same procedure. It is most useful if your doctor is sure that you have a blockage based on symptoms and other tests. At the same time, blockages can be fixed.
Answered on Jun 9, 2015
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Dr. Nnaemeka Agajelu
26 years experience Internal Medicine
Angiogram : Cardiac catheterization is the procedure for doing an coronary angiogram. It is a better test to prove artery blockage than ct angiography.
Answered on Oct 4, 2016

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