HEART Score for ED chest pain — bedside ACS risk stratification for clinicians.
Free on Yuan Doctor; computed locally in the browser, no data upload.
yuandoctor.com/en/tools/heart
Calculate the quick SOFA (qSOFA) score to flag patients with suspected infection at risk of poor outcomes.
Method / formula
1 point each: respiratory rate ≥ 22, altered mentation (GCS < 15), systolic BP ≤ 100. ≥ 2 = higher risk.
When to use
Rapid bedside screen in suspected sepsis outside the ICU.
Boundaries of use
For licensed clinicians and clinical researchers. Interpret results with history, investigations and local protocols; not a diagnosis or prescription, and not a substitute for multidisciplinary decision-making or local guidelines.
yuandoctor.com/en/tools/qsofa
Estimate Body Surface Area (BSA) with the Mosteller formula for drug and chemotherapy dosing.
Method / formula
Mosteller BSA(m²) = √(height(cm) × weight(kg) / 3600).
When to use
Dose calculations that are normalised to body surface area.
Boundaries of use
For licensed clinicians and clinical researchers. Interpret results with history, investigations and local protocols; not a diagnosis or prescription, and not a substitute for multidisciplinary decision-making or local guidelines.
yuandoctor.com/en/tools/bsa
Estimate chance of successful trial of labor after cesarean with the published Flamm admission point score.
Method / formula
Age <40 (2) + vaginal-birth history (0/1/2/4) + non-FTP indication (1) + effacement (<25%=0, 25–75%=1, >75%=2) + dilation ≥4 cm (1). Cohort success bands from Flamm 1997.
When to use
When to use: counselling for TOLAC when admission cervical exam and obstetric history are known.
Boundaries of use
For licensed clinicians and clinical researchers. Interpret results with history, investigations and local protocols; not a diagnosis or prescription, and not a substitute for multidisciplinary decision-making or local guidelines.
yuandoctor.com/en/tools/vbac_…
Quantify acute stroke severity with the NIH Stroke Scale (NIHSS, 0–42).
Method / formula
Sum of 15 items (consciousness, gaze, fields, facial/limb motor, ataxia, sensory, language, dysarthria, extinction). 1–4 minor, 5–15 moderate, 16–20 moderate–severe, 21–42 severe.
When to use
Standardised stroke severity assessment to guide treatment and track change.
Boundaries of use
For licensed clinicians and clinical researchers. Interpret results with history, investigations and local protocols; not a diagnosis or prescription, and not a substitute for multidisciplinary decision-making or local guidelines.
yuandoctor.com/en/tools/nihss
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