Given its cost and commonality, the appropriate application of percutaneous coronary
intervention (PCI) in treating coronary artery disease is justifiably a health care policy
priority. Understanding the limitations of the subjective assessment and treatment of
coronary stenosis through coronary angiography alone has led to many changes, including
greater incorporation of stress testing and intracoronary imaging devices into the cardiac
catheter laboratory in recent years. Routine use of fractional flow reserve (FFR)(where a …