“…All echocardiography in included studies was transthoracic echocardiography. The individual measures used to assess RV dysfunction on CT scan were increased RV/LV ratio with varying cutoffs (24 studies 11–22,24–28,30–36 ), pulmonary artery measurement (six studies 12,17,22,28–30 ), RV size (two studies 22,30 ), vena cava size (three studies), 22,25,30 coronary sinus size (two studies), 22,30 and aortic valve dimensions (one study 30 ). Other individual parameters included reflux of contrast into the IVC (IVC reflux, four studies) 17,21,22,28 and interventricular septal deviation (five studies 17,21,22,28,33 ).…”