#instantaneous_wave-free_ratio
Instantaneous wave-free ratio
Tool for determining arterial narrowing
The instantaneous wave-free ratio is a diagnostic tool used to assess whether a stenosis is causing a limitation of blood flow in coronary arteries with subsequent ischemia. iFR is performed during cardiac catheterisation (angiography) using invasive coronary pressure wires which are placed in the coronary arteries that are to be assessed. Pressure wires are commonly used by interventional cardiologists to guide decisions to perform revascularization, either by stenting or bypass surgery.
Sat 7th
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