Template:PERC rule: Difference between revisions
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===PERC Rule Calculator=== | |||
Check all of the following that are true: | |||
*Age <50yr | |||
*Pulse ox >94% (room air) | |||
*HR <100 | |||
*No prior PE or DVT | |||
*No recent surgery or trauma (within prior 4wk) | |||
*No hemoptysis | |||
*No estrogen use | |||
*No unilateral leg swelling | |||
In patients with low suspicion for [[PE]] (best-guess pre-test probability <15%) AND all are true, only 0.9% had [[PE]] (n=7527) and it can be ruled-out without further testing (i.e. no need for d-dimer)<ref>Kline JA, et al. Clinical criteria to prevent unnecessary diagnostic testing in emergency department patients with suspected pulmonary embolism. J Thromb Haemost 2004; 2: 1247–55.</ref><ref>Kline JA, et al. Prospective multicenter evaluation of the pulmonary embolism rule-out criteria. J Thromb Haemost 2008; 6: 772–80. (PMID: 18318689).</ref> | |||
Latest revision as of 14:16, 13 October 2019
PERC Rule Calculator
Check all of the following that are true:
- Age <50yr
- Pulse ox >94% (room air)
- HR <100
- No prior PE or DVT
- No recent surgery or trauma (within prior 4wk)
- No hemoptysis
- No estrogen use
- No unilateral leg swelling
In patients with low suspicion for PE (best-guess pre-test probability <15%) AND all are true, only 0.9% had PE (n=7527) and it can be ruled-out without further testing (i.e. no need for d-dimer)[1][2]
- ↑ Kline JA, et al. Clinical criteria to prevent unnecessary diagnostic testing in emergency department patients with suspected pulmonary embolism. J Thromb Haemost 2004; 2: 1247–55.
- ↑ Kline JA, et al. Prospective multicenter evaluation of the pulmonary embolism rule-out criteria. J Thromb Haemost 2008; 6: 772–80. (PMID: 18318689).