Pulmonary hypertension causing left main coronary artery compression

A Rare Potential Cause of Extraluminal Left Main Compression in ASD: An Echocardiographic Illustration

“…2 The expansion of pulmonary artery can manifest as a cause of extraluminal/dynamic LMCA compression. [3][4][5] This can masquerade as ischemic heart disease, despite the absence of any coronary artery atherosclerosis.…”