Units: US SI

San Francisco Syncope Rule to Predict Serious Outcomes

Congestive Heart Failure history? Yes +1
Hematocrit < 30%? Yes +1
ECG Abnormal ? Yes +1
Shortness of Breath History? Yes +1
Systolic BP < 90 mmHg at Triage? Yes +1
Score points

Note: This rule has a 96% sensitivity and 62% specificity for serious outcome. Negative predictive value: 99.2%; positive predictive value 24.8%.

Serious Outcome in this study is defined as "death, myocardial infarction, arrhythmia, pulmonary embolism, stroke, subarachnoid hemorrhage, significant hemorrhage, or any condition causing a return ED visit and hospitalization for a related event."

Posted in: Cardiac • Cardiology • Critical Care • Neurologic • Neurology

Equations

Scores