Clinician gestalt of the chest-pain history.
Compared with the patient's baseline ECG where possible.
Patient age at presentation.
Count: HTN, DM, hypercholesterolemia, current smoker, family CAD before 55, BMI > 30. Known atherosclerotic disease auto-scores 2.
Use the assay-specific 99th-percentile upper reference limit; banding still uses 1× and 3× multipliers for hs-cTn.