NPPB and pulmonary embolism: Thirty-day all-cause mortality is the most common measure of prognosis4.Available tools for PE prognosis assessment include (1) Imaging tests such as Echocardiography (Echo) and computed-tomography pulmonary angiography (CTPA); (2) Clinical prediction scales such as the Pulmonary Embolism Severity Index (PESI)5 and the simplified PESI (sPESI)6; and (3) Laboratory markers such as BNP, NT-proBNP, Cardiac troponin I-T, H-FABP and GDF-15.