How Accurate is a CCTA?

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how accurate is a CCTA in ruling out CAD?

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    My husband's heart surgeon said that he preferred the more invasive angiogram but admitted that a CT scan (eg CCTA) is almost as accurate. I think cost comes into it within the NHS. Both are considered to be between 80 - 95% accurate. CCTA is less invasive as it uses an injection of iodine contrast material rather than the insertion of a catheter.

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      Depends I guess on why you think something was missed. Did your consultant not show you the results on screen. Ours did - he pointed out the blockages as we watched but we could also see those arteries functioning properly too. An angiogram or CT angio is probably the best test for arterial blockage. No test or procedure is ever 100% accurate but I think around the 90% mark is pretty good and reliable. I think you need to discuss your fears with your doctor.

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