Fractional Flow Reserve (FFR)
Not every narrowing seen on a coronary angiogram needs a stent. FFR shows whether a narrowing is genuinely reducing the blood supply to the heart muscle.
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Not every narrowing seen on a coronary angiogram needs a stent. FFR shows whether a narrowing is genuinely reducing the blood supply to the heart muscle.
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An angiogram shows the outline of the artery. Intravascular ultrasound (IVUS) shows its true diameter, the make-up of the plaque and the calcium, from the inside.
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A catheter with an ultrasound probe at its tip is placed inside the heart. It guides the procedure and lets most of them be done without a general anaesthetic.
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