Template:SF Syncope Calculator: Difference between revisions

(Create San Francisco Syncope Rule (CHESS) calculator with references)
 
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<noinclude>Interactive San Francisco Syncope Rule (CHESS) calculator. Requires the [[MediaWiki:Gadget-calculator.js|calculator gadget]].
<noinclude>Interactive San Francisco [[Syncope]] Rule (CHESS) calculator. Requires the [[MediaWiki:Gadget-calculator.js|calculator gadget]].
Usage: <code><nowiki>{{SF Syncope Calculator}}</nowiki></code>
Usage: <code><nowiki>{{SF Syncope Calculator}}</nowiki></code>
[[Category:Calculator templates]]</noinclude>
[[Category:Calculator templates]]</noinclude>
=== San Francisco Syncope Rule ===
<div class="calculator-container" data-calculator-refresh-on-load="true">
<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;"

Latest revision as of 16:49, 21 March 2026

Interactive San Francisco Syncope Rule (CHESS) calculator. Requires the calculator gadget. Usage: {{SF Syncope Calculator}}

San Francisco Syncope Rule

San Francisco Syncope Rule (CHESS)
Criteria (CHESS) No Yes
C — History of CHF 1
HHematocrit <30% 1
E — Abnormal ECG (new changes or non-sinus rhythm) 1
SShortness of breath 1
SSystolic BP <90 mmHg at triage 1
Risk Factors / 5
Interpretation
0 Low risk — 2% risk of serious outcome at 30 days. Consider discharge with outpatient follow-up.
≥1 Not low risk — Cannot be classified as low risk. Consider further workup or admission.
References
  • Quinn JV, Stiell IG, McDermott DA, et al. Derivation of the San Francisco Syncope Rule. Ann Emerg Med. 2004;43(2):224-232. PMID 14747812.
  • Quinn JV, Stiell IG, McDermott DA, et al. The San Francisco Syncope Rule vs physician judgment and decision making. Am J Emerg Med. 2005;23:782-786.
  • Note: Sensitivity ~98% for serious outcomes. Some validation studies show lower performance. Use with clinical judgment.