In the left anterior oblique (LAO) view, which vessel is primarily visualized?

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Multiple Choice

In the left anterior oblique (LAO) view, which vessel is primarily visualized?

Explanation:
In the left anterior oblique (LAO) view, the left coronary system is opened up for visualization. Rotating into LAO aligns the imaging plane with the left main coronary artery’s takeoff from the aorta, making its ostium and proximal segments (the left main dividing into the LAD and LCx) most clearly seen. The right coronary artery travels along the right atrioventricular groove and is less well visualized in this projection, so the primary vessel highlighted in LAO is the left main.

In the left anterior oblique (LAO) view, the left coronary system is opened up for visualization. Rotating into LAO aligns the imaging plane with the left main coronary artery’s takeoff from the aorta, making its ostium and proximal segments (the left main dividing into the LAD and LCx) most clearly seen. The right coronary artery travels along the right atrioventricular groove and is less well visualized in this projection, so the primary vessel highlighted in LAO is the left main.

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