Emergency Medicine · Cardiology
San Diego Syncope Rule calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Result
0
San Diego syncope rule low-risk count
Interpret only within the cited source population and criteria; use alongside complete clinical assessment.
Formula inputs
- abnormal ecg
- congestive heart failure
- shortness of breath
- hematocrit lt 30
- systolic bp lt 90
Primary source
Sun BC et al. External validation of the San Francisco Syncope Rule and development of the San Diego Syncope Rule. Ann Emerg Med. DOI: 10.1016/j.annemergmed.2006.12.004. PMID: 17394920. Scope: San Diego syncope rule counts abnormal ECG, congestive heart failure, shortness of breath, hematocrit <30%, and systolic blood pressure <90 mm Hg. (2007)
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