Figure Legends
Figure 1. Tracheal Sweep: right-to-left sweep from suprasternal
notch view of left aortic arch. 1a & 1b: Starting from patient’s right
the superior vena cava (SVC), inferior vena cava (IVC), and right atrium
(RA) are demonstrated with the right pulmonary artery (RPA) and right
upper pulmonary vein (RUPV) crossing behind SVC. 2a & 2b: The
echo-bright trachea comes into view with the ascending aorta (Ao), the
innominate vein (Inom) is anterior, and the RPA is seen in cross section
behind the ascending Ao. 3a & 3b: The transverse Ao comes into view
completing the right-to-left sweep.