Jing Li, Author at Oncology Nurse Advisor

Jing Li

All articles by Jing Li

Fractional Flow Reserve

General description of procedure, equipment, technique Fractional flow reserve (FFR) is an invasive measurement developed in 1990s for evaluation of functional significance of stenoses in the epicardial coronary artery. FFR is defined as a ratio of the maximal myocardial blood flow in the presence of a stenosis to the theoretical normal maximal flow in the…

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