Medical calculators: Difference between revisions

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==Background==
==Background==
This is a list of webpage calculators with relevance to emergency medicine.
*This is a list of all calculators on WikEM; please add as created


==List==
==WikEM Calculators==
*MD Calc http://www.mdcalc.com/
{{PERC rule}}


==See Also==
==References==
[[Emergency Medicine Resources (Main)]]
<references/>


[[Category:Resources]]
[[Category:WikEM]]

Latest revision as of 12:58, 26 June 2016

Background

  • This is a list of all calculators on WikEM; please add as created

WikEM Calculators

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]

References

  1. 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.
  2. Kline JA, et al. Prospective multicenter evaluation of the pulmonary embolism rule-out criteria. J Thromb Haemost 2008; 6: 772–80. (PMID: 18318689).