The PERC Rule for Pulmonary Embolism Rules out PE if no criteria are present and pre-test probability is ≤15%.

This PERC calculator (Pulmonary Embolism Rule-out Criteria) gives you a quick look at the PERC criteria, which can help you determine if the patient is likely to have a pulmonary embolism.

The PERC rule criteria are used to help the clinician to do a bedside assessment to determine if a patient is at "low risk" for pulmonary embolism and does not warrant additional diagnostic evaluation, including a D-dimer.

Jan 19, 2024 · The pulmonary embolism rule-out criteria (PERC) may be utilised to negate the need for further pulmonary embolism (PE) workup in patients who are deemed low risk for PE but in whom the diagnosis is being considered 1. Criteria. age <50 years. pulse <100 bpm. oxygen saturation >95% on room air. absence of unilateral leg swelling. absence of ...

Feb 19, 2018 · Clinical Take Home Point: In a “low risk” patient population, use of PERC over usual care, was non-inferior in both diagnosis and mortality associated with PE. An added benefit of using PERC over usual care in this study was a 10% decrease in …

Jun 1, 2018 · Absence of PE should be confirmed using the PERC or d-dimer testing. If either is negative, PE is ruled out. Interpretation: PE is ruled out in patients with all of the above characteristics.

Jun 15, 2014 · PERC (Pulmonary Embolism Rule-Out Criteria) is a set of criteria established for patients with chest pain or dyspnea in outpatient settings (ie. primary care settings or emergency departments). PERC Criteria are defined as the following: Age <50 years; HR <100 BPM; Oxygen Saturation ≥ 95%; No hemoptysis; No estrogen use; No prior DVT or PE

For patients who are at low risk for acute PE, use the Pulmonary Embolism Rule-out Criteria (PERC) to exclude the diagnosis without further diagnostic testing.

PERC Rule: 0: 0: 0: 8: points: About the Parameters: Normal values (and limits) are expressed in C Units. Spcmn = specimen. Abbrev = abbreviation. CF= conversion factor. Units (c) x CF = Units (si) (unless otherwise specified). Inputs in yellow background, Outputs in blue.

Dec 1, 2024 · Using the PERC rule along with DD testing in low-risk patients effectively rules out PE in ED without the need for further testing. Properly using PERC may significantly reduce patients' waiting time in the ED.