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Objective
The objective of this study was to assess the impact of introduction of a new pulmonary embolism (PE) diagnostic guideline with a raised D‐dimer threshold.
Methods
This is a single‐site, observational, cohort study with a historical comparison. The new guideline raised the D‐dimer threshold to 1000 ng/mL for most patients with a Wells' score of 4 or less. Patients investigated for PE...
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