Figure 3From: Coronary flow reserve in stress-echo lab. From pathophysiologic toy to diagnostic toolVisualization of left main and bifurcation of left anterior descending coronary artery and circumflex assessed by transesophageal approach. The color-Doppler trace the flow inside the proximal tract of left coronary artery Left: the Pulsed wave Doppler highlights the typical biphasic flow velocity coronary patternBack to article page