Rate each of seven clinical domains from 0 (low probability) to 3 (high probability); sum 0–21.
Use the same visit’s clinical data; confirm with immunoassay and serotonin-release assay per pathway.
The HEP score was developed by international HIT experts to estimate pre-test probability before confirmatory testing.
Simplified 0–3 anchors per domain for teaching; full published anchors may use negative points on some items.
Solo educativo—no para decisiones clínicas.