Fig. 3

Contrast media injected into the left brachial vein enters the left atrium (LA) on its lateral base—as indicated by arrow (←)—where the left atrial appendage is located just anteriorly
Contrast media injected into the left brachial vein enters the left atrium (LA) on its lateral base—as indicated by arrow (←)—where the left atrial appendage is located just anteriorly