AGE-ADJUSTED D-DIMER IN SUSPECTED PULMONARY EMBOLISM: SAFETY AND REDUCTION IN CT PULMONARY ANGIOGRAPHY
A fixed D-dimer threshold becomes less specific with increasing age, leading many older adults with suspected pulmonary embolism to undergo imaging despite the absence of thromboembolism. Age adjustment aims to preserve safe exclusion while improving the usefulness of a negative result. This structured narrative review...