Pulmonary contrast echocardiography. Indicates main pulmonary artery filled with microbubbles in the parasternal short‐axis view (color map is turned on for better visualization). The anomalous left coronary artery is filled with microbubbles (the two smaller white arrows), and the negative washout is also visible at the site of origin of the anomalous LCA, near the origin of the right pulmonary artery (the large white arrow on the left of the Figure). MPA = main pulmonary artery