Template:PERC Calculator: Difference between revisions
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<noinclude>Interactive PERC Rule calculator for pulmonary embolism. Requires the [[MediaWiki:Gadget-calculator.js|calculator gadget]]. Usage: <code><nowiki>{{PERC Calculator}}</nowiki></code> [[Category:Calculator templates]]</noinclude> | <noinclude>Interactive PERC Rule calculator for [[Pulmonary embolism|pulmonary embolism]]. Requires the [[MediaWiki:Gadget-calculator.js|calculator gadget]]. Usage: <code><nowiki>{{PERC Calculator}}</nowiki></code> [[Category:Calculator templates]]</noinclude>=== PERC Rule === | ||
<div class="calculator-container" data-calculator-refresh-on-load="true"> | |||
{| class="wikitable" style="width:100%; border-collapse:collapse;" | {| class="wikitable" style="width:100%; border-collapse:collapse;" | ||
|+ style="font-size:16px; font-weight:bold; padding:8px; background:#2c3e50; color:white;" | PERC Rule Calculator | |+ style="font-size:16px; font-weight:bold; padding:8px; background:#2c3e50; color:white;" | PERC Rule Calculator | ||
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| '''PERC Positive''' — Cannot rule out PE by PERC alone. Consider D-dimer, [[Wells criteria|Wells' score]], or CTA based on clinical suspicion. | | '''PERC Positive''' — Cannot rule out PE by PERC alone. Consider D-dimer, [[Wells criteria|Wells' score]], or CTA based on clinical suspicion. | ||
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</div | </div> | ||
Latest revision as of 16:54, 21 March 2026
Interactive PERC Rule calculator for pulmonary embolism. Requires the calculator gadget. Usage: {{PERC Calculator}}=== PERC Rule ===
| Criteria | No (0) | Yes (+1) |
|---|---|---|
| Age ≥50 years | 1 | |
| Heart rate ≥100 bpm | 1 | |
| SpO₂ <95% on room air | 1 | |
| Unilateral leg swelling | 1 | |
| Hemoptysis | 1 | |
| Recent surgery or trauma (within 4 weeks requiring hospitalization) | 1 | |
| Prior PE or DVT | 1 | |
| Hormone use (oral contraceptives, HRT, or estrogenic hormones) | 1 | |
| Positive Criteria | / 8 | |
| Score = 0 | PERC Negative — If pre-test probability is ≤15%, PE is effectively ruled out. No further workup needed (sensitivity 97.4%, NPV 99.5%). |
|---|---|
| Score ≥ 1 | PERC Positive — Cannot rule out PE by PERC alone. Consider D-dimer, Wells' score, or CTA based on clinical suspicion. |