Figure 2From: Echocardiographic and hemodynamic determinants of right coronary artery flow reserve and phasic flow pattern in advanced non-ischemic cardiomyopathyBaseline spectral Doppler coronary flow velocity signal in right coronary artery (A) and left anterior descending coronary artery (B). S = systolic, D = diastolic, portions of phasic coronary flow. APV = time-averaged peak coronary flow velocity. DSVR = diastolic/systolic flow velocity ratio.Back to article page