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The left ventricle in case 1. Arrow marks showing hyperechogenic scarred papillary muscles. LA: Left Ventricle, LV: Left Ventricle, RA: Right Atrium, RV: Right Ventricle
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The antero-lateral papillary muscle appeared bright in the echocardiogram. [Figure 1].
Modified parasternal view showing origin of left coronary artery from pulmonary artery. LCA: left coronary artery, PA: pulmonary artery, RV: right ventricle.
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On thorough interrogation of the coronaries, the left coronary artery was found to arise from the main pulmonary artery [Figure 2].
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(A, B): These echocardiograms have been obtained from patient #3. (A) Left coronary artery arising from right pulmonary artery (B) retrograde flow from coronary to pulmonary artery. Ao: aorta, LCA: left coronary artery, LCx: Left circumflex artery, RPA: right pulmonary artery
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In addition, left coronary artery showed flow reversal [Figure 3].