Emergency Medicine · Cardiology
Boston Syncope Rule calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Result
0
Boston syncope rule low-risk count
Interpret only within the cited source population and criteria; use alongside complete clinical assessment.
Formula inputs
- symptoms during exertion
- history cardiovascular disease
- abnormal vitals or ecg
Primary source
Martin TP et al. Risk stratification of patients with syncope in the emergency department. Ann Emerg Med. DOI: 10.1016/S0196-0644(97)70036-8. PMID: 9259172. Scope: Boston syncope rule counts exertional symptoms, history of cardiovascular disease, and concerning vital signs or ECG findings; any criterion present indicates higher-risk classification. (1997)
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