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About Jason West, MD

Senior Resident
Jacobi/Montefiore Emergency Medicine Residency Program
Albert Einstein School of Medicine
11 02, 2014

When the PERC Rule Fails


PEKline et al developed a clinical decision tool based on parameters that could be obtained from a brief initial assessment to reasonably exclude the diagnosis of pulmonary embolism (PE) without the use of D-dimer in order to prevent unnecessary cost and the use of medical resources. 1 Many of us have used the Pulmonary Embolism Rule-out Criteria (PERC) rule by now, but we should be clear on what it includes. Are we using it appropriately?