Supplemental Video Legends
Supplemental Video 1: Modified bi-caval subcostal view of the heart showing retraction of a guide wire that had been inserted too far into the inferior vena cava (IVC).
Supplemental Video 2: Modified bi-caval subcostal view of the heart with a positive right atrial swirl sign (RASS) demonstrating accurate central venous catheter tip position in the superior vena cava (SVC) to right atrial junction.
Supplemental Video 3: Apical four chamber view of the heart with a positive right atrial swirl sign (RASS); RA = right atrium.
Supplemental Video 4: Right ventricular (RV) inflow view at the parasternal level with a positive right atrial swirl sign (RASS); RA = right atrium.
Supplemental Video 5: Lung ultrasound showing movement of the visceral-parietal pleural interface as lung sliding showing absence of pneumothorax.