There is a growing recognition that disorders affecting the structure and function of the coronary microcirculation can act as key mediators of patient symptoms and prognosis.The subset of disorders affecting the microcirculation is termed coronary microvascular disease (CMD), which is expressed as either the inability of the coronary arteries to dilate appropriately to meet myocardial oxygen demand and/or as the abrupt reduction in coronary blood flow related to coronary spasm. For the past 2 decades, CMD has been actively investigated […]