San Francisco Syncope Rule (CHESS) from history of CHF, hematocrit, abnormal ECG, shortness of breath, and systolic BP. Returns a 0-5 criterion count and rule-positive if any CHESS item is present. Deterministic published score with citation; not a disposition protocol.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.005000 USDC | 0x836B...9Ee2 |