Criteria, formulae and Scales most commonly used by Hospitalists

These are listed alphabetically for easy reference.

4Ts Score for Heparin-Induced Thrombocytopenia

5 H and 5 T s-Treatable Causes of cardiac arrest

A-a O₂ Gradient

ABCD² Score for TIA

Acute Kidney Injury

Acute Respiratory Failure

ATLAS Score for Clostridium Difficile Infection

Brescia-COVID Respiratory Severity Scale (BCRSS)/Algorithm

Caprini Score for risk of VTE in surgical patients

CHA₂DS₂-VASc Score for Atrial Fibrillation Stroke Risk

Child-Pugh Score for Cirrhosis Mortality

CIWA-Ar for Alcohol Withdrawal

Corrected Calcium

Corrected Sodium for Hyperglycemia

CURB-65 Score for Pneumonia Severity

Discriminant Function [Maddrey’s] for Alcoholic Hepatitis

Dix-Hallpike and Epley’s maneuver tests for BPPV, see below for HINTS exam for Continuous vertigo.

Equivalent doses of Beta Blockers & Steroids

Fractional Excretion of Sodium (FENa)

Free Water Deficit in Hypernatremia

Glasgow Coma Scale/Score (GCS)

HAS-BLED Score for Major Bleeding Risk

HINTS exam for continuous vertigo

LACE Index for Readmission

MELD Score (Model For End-Stage Liver Disease)

Modified Early Warning Score (MEWS) for Clinical Deterioration

Montreal Cognitive Assessment (MoCA)

Morse scale to calculate the patient’s risk for falling

NIH Stroke Scale/Score (NIHSS)

Obstructive Sleep Apnea- STOP-BANG Score

Padua Prediction Score for Risk of VTE

PaO₂ / FiO₂ ratio=Horowitz Index (P/F Ratio)

Postoperative Pulmonary Complications 1. ARISCAT Score 2. Gupta Postoperative Respiratory Failure Risk

PSI/PORT Score: Pneumonia Severity Index for CAP

qSOFA (Quick SOFA) Score for Sepsis; also MSOFA

Revised Cardiac Risk Index for Pre-Operative Risk. Also see Post-operative Mortality Risk in Patients with Cirrhosis

tPA Indications and Contraindications for Ischemic Stroke

SIRS, Sepsis, and Septic Shock Criteria

Tilt table test

TIMI Risk Score for STEMI and UA/NSTEMI

Wells’ Criteria for DVT and Pulmonary Embolism, also PERC Rule for PE