NPPB and pulmonary embolism: TAPSE: tricuspid annular plane systolic excursion; RV-RA gradient: right ventricle to right atrium gradient; LVEF: left ventricle ejection fraction; HR: heart rate; SBP: systolic blood pressure; DBP: diastolic blood pressure; BMI: body mass index; SaO2: arterial oxygen saturation; CRP: C-reactive protein; PESI: pulmonary embolism severity index; NTproBNP: N-terminal-pro-B-type natriuretic peptide; AST: aspartate aminotransferase; ALT: alanine aminotransferase; BUN: blood urea nitrogen; LDH: lactate dehydrogenase; ARDS: acute respiratory distress syndrome