Application of intracoronary physiology: use of pressure and flow measurements in clinical practice

INTRODUCTION The goal of any treatment is to improve patient prognosis and/ or symptoms. Accordingly, the goal of any diagnostic tool is to guide decision making to apply optimal treatment in individual patients. Any diagnostic tool not fulfilling these requirements should not be used in patients. Keeping this in mind, this chapter will briefly review what is often referred to as “invasive coronary physiology.”