Anomalous Pulmonary Origin of the Left Coronary Artery

To the Editor:The echocardiographic images of the anomalous origin of the left coronary artery from the main pulmonary artery presented by Lin et al1 are very instructive. But I disagree with the statement the authors made in the legend of their Figure 3 that “Turbulent flow from the main pulmonary artery through the orifice to the left coronary artery is evident.”In anomalous origin of the left coronary artery from the main pulmonary artery, because pulmonary artery pressure is lower …