View source for Template:SF Syncope Calculator

<noinclude>Interactive San Francisco Syncope Rule (CHESS) calculator. Requires the [[MediaWiki:Gadget-calculator.js|calculator gadget]].
Usage: <code><nowiki>{{SF Syncope Calculator}}</nowiki></code>
[[Category:Calculator templates]]</noinclude>
<div class="calculator-container" data-calculator-refresh-on-load="true">
{| class="wikitable" style="width:100%; border-collapse:collapse;"
|+ style="font-size:16px; font-weight:bold; padding:8px; background:#34495e; color:white;" | San Francisco Syncope Rule (CHESS)
|-
! style="width:60%; background:#d5dbdb;" | Criteria (CHESS)
! style="width:20%; background:#d5dbdb;" | No
! style="width:20%; background:#d5dbdb;" | Yes
|-
| '''C''' — History of '''CHF'''
| {{calculator|id=sf_chfNo|type=radio|name=sf_chf|default=1}}
| {{calculator|id=sf_chfYes|type=radio|name=sf_chf}}
|-
| '''H''' — '''Hematocrit <30%'''
| {{calculator|id=sf_hctNo|type=radio|name=sf_hct|default=1}}
| {{calculator|id=sf_hctYes|type=radio|name=sf_hct}}
|-
| '''E''' — Abnormal '''ECG''' (new changes or non-sinus rhythm)
| {{calculator|id=sf_ecgNo|type=radio|name=sf_ecg|default=1}}
| {{calculator|id=sf_ecgYes|type=radio|name=sf_ecg}}
|-
| '''S''' — '''Shortness of breath'''
| {{calculator|id=sf_sobNo|type=radio|name=sf_sob|default=1}}
| {{calculator|id=sf_sobYes|type=radio|name=sf_sob}}
|-
| '''S''' — '''Systolic BP <90''' mmHg at triage
| {{calculator|id=sf_sbpNo|type=radio|name=sf_sbp|default=1}}
| {{calculator|id=sf_sbpYes|type=radio|name=sf_sbp}}
|-
! style="background:#34495e; color:white;" | Risk Factors
! colspan="2" style="background:#34495e; color:white;" | {{calculator|id=sf_total|type=plain|formula=sf_chfYes+sf_hctYes+sf_ecgYes+sf_sobYes+sf_sbpYes|style=min-width:3ch;display:inline-block}} / 5
|}
{| class="wikitable" style="width:100%; margin-top:4px;"
! colspan="2" | Interpretation
|-
| style="background:#27ae60; color:white; text-align:center; width:15%; font-weight:bold;" | 0
| '''Low risk''' — 2% risk of serious outcome at 30 days. Consider discharge with outpatient follow-up.
|-
| style="background:#e74c3c; color:white; text-align:center; font-weight:bold;" | ≥1
| '''Not low risk''' — Cannot be classified as low risk. Consider further workup or admission.
|}
{| class="wikitable" style="width:100%; margin-top:4px; font-size:90%;"
! 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.
|}
</div>