Ottawa ankle rule (Stiell 1992). Ankle x-ray is indicated when there is malleolar-zone pain and any of: bone tenderness at the posterior edge or tip of the lateral or me…
Cheatle 2019 revised Opioid Risk Tool (ORT-OUD): nine unweighted yes/no flags (each 1; max 9). No sex. No preadolescent sexual abuse item. Scores 0-2 are non_oud; 3 or m…
Cadarette 2000 Osteoporosis Risk Assessment Instrument (ORAI). Additive Table 4 score: age ≥75 → 15, 65–74 → 9, 55–64 → 5, 45–54 → 0; weight <60 kg → 9, 60–69 kg → 3, ≥7…
Ottawa Heart Failure Risk Scale (OHFRS; Stiell 2013 derivation). Ten caller-assigned flags (stroke/TIA 1, intubation 2, arrival HR >=110 2, arrival SaO2 <90% 1, walk-tes…
Hartley 2021 NIVO: consolidation, GCS ≤14, AF, and pH <7.25 score 1 each; time to acidaemia >12 h scores 2; eMRCD 1_to_4 → 0, 5a → 2, 5b → 3 (cannot score both). Returns…
NEXUS Chest (Rodriguez 2011). Chest radiography is not indicated by this instrument only when all seven caller-assigned findings are absent: chest pain, distracting inju…
NEWS from RCP 2012 Chart 1: respiratory rate, SpO2, supplemental oxygen, temperature (°C), systolic BP, heart rate, and caller-assigned AVPU (alert 0; voice, pain, or un…
Vernon 1991 Neck Disability Index: ten caller-assigned integers 0-5 (pain intensity, personal care, lifting, reading, headaches, concentration, work, driving, sleeping,…
Meyer/Lyden 2001 modified NIH Stroke Scale (mNIHSS): eleven caller-assigned NINDS-style integers. Drops LOC, facial palsy, limb ataxia, and dysarthria; collapses sensory…
Gage 2006 HEMORR2HAGES (NRAF) AF major-bleed score: prior bleed 2; hepatic or renal, ethanol, malignancy, age >75, reduced platelet count or function, uncontrolled hyper…
Davis 2017 HEAVEN criteria from six caller-assigned flags: hypoxemia (SpO2 ≤93% at initial laryngoscopy as assigned), extremes of size (pediatric ≤8 years or clinical ob…
HEAR score for emergency chest pain from age and caller-assigned history, ECG, and risk factors (each 0-2, max 8). No troponin. Smith 2020 very-low-risk group is scores…
Cappelli 2012 HEADS-ED from seven caller-assigned 0-2 domains (Home, Education, Activities/peers, Drugs/alcohol, Suicidality, Emotions/behavior, Discharge resources). 0…
Alghamdi 2019 HE-MACS ACS probability from age, sex, caller-assigned observed sweating, acute ECG ischaemia, right-arm or shoulder radiation, vomiting, hypotension (SBP…
O'Mahony 2014 HCM Risk-SCD: 5-year SCD probability from wall thickness, LA diameter, LVOT gradient, family history of SCD, NSVT, unexplained syncope, and age. Returns pr…
Citterio 2016 JAMA Surgery hierarchic classes for liver decompensation after HCC resection from caller-assigned portal_hypertension, major_hepatectomy, and meld (integer…
HAS-BLED score from discrete clinical flags. Use for bleeding-risk arithmetic in atrial fibrillation. Deterministic published score with citation.
Harvey and Bradshaw 1980 simple Crohn's-disease activity index (one-day; items 1-3 previous day). Well-being 0-4, abdominal pain 0-3, liquid stools (1 point each; magent…
HAPS (Lankisch 2009). Harmless iff rebound tenderness and/or guarding is absent, hematocrit is normal, and serum creatinine is normal. The caller assigns each flag as al…
Hamilton 1960 17-variable depression rating (not the later 21-item form). Eight caller-assigned 0-4 items and nine 0-2 items (agitation is three-point in that paper). Su…
Hamilton 1959 HAM-A: 14 caller-assigned integers 0-4 (0 not present, 1 mild, 2 moderate, 3 severe, 4 very severe) for anxious mood, tension, fears, insomnia, intellectua…
Duan 2017 HACOR (ESM Table 2): HR ≤120 → 0, ≥121 → 1; pH ≥7.35 → 0, 7.30–7.34 → 2, 7.25–7.29 → 3, <7.25 → 4; GCS 15 → 0, 13–14 → 2, 11–12 → 5, ≤10 → 10; P/F ≥201 → 0, 17…
Reddy 2018 H2FPEF points score. Six components, max 9: BMI >30 (2), >=2 antihypertensives (1), atrial fibrillation (3), echo PASP >35 mm Hg (1), age >60 (1), E/e' >9 (1)…
Peterson 2010 GWTG-HF Figure 2 integer points for in-hospital mortality in hospitalized heart failure: age 0-28, systolic BP 0-28, BUN 0-28, sodium 0-4, heart rate 0-8,…
