A-a O2 Gradient (including Alveolar Gas Equation)

Abbreviated Mental Test Score (AMTS)

ABCD Score for TIA

ABCD2 Score for TIA

Absolute Neutrophil Count

Acetaminophen n-Acetylcysteine Overdose

Acid-Base Compensation (ABG)

Adjusted Body Weight (added to BMI calculator)

Age

Alcoholic Hepatitis Discriminant

Alvarado Score

Anion Gap

Anion Gap: Corrected for Hypoalbuminemia

Ankle-Brachial Pressure Index (ABPI)

Apfel Score to Predict Postoperative Nausea/Vomiting

Aortic Valve Area (Continuity)

Aortic Valve Area (Gorlin)

APACHE II score

APGAR

Appropriate Insertion Depth of a Central Line/Catheter (Peres)

Arozullah Respiratory Failure Index

Arterial Oxygen Content

Arterial Oxygen Delivery

AST:Platelets Ratio Index (APRI) Score

Ballard-Dubowitz Scale for Maturity

Basic Activities of Daily Living (ADL) (Barthel)

Basal Energy Expenditure (Harris-Benedict)

Bath Ankylosing Spondylitis Disease Activity Index (BASDAI)

Bayesian Sensitivity/Specificity (input either grid values or sensitivity, specificity, prevalence)

Berg Balance Scale

Bernstein-Parsonnet Revised 2000 Score for Cardiac Surgery Mortality Risk

Bicarbonate Deficit

Bishop score for labor induction

Blatchford Score (for UGI bleeds)

Brugada Criteria for SVT vs VT

BODE Index

Body Mass Index (BMI)

Body Surface Area (BSA): Mosteller Formula

Body Surface Area: Dubois Formula

Body Surface Area (Unknown Height; Current Formula)

Boston Criteria for Heart Failure

Braden Pressure Sore Scale

Breast Cancer Risk Assessment: Gail Model

CAGE Questionnaire for Alcohol Abuse

Canadian CT Head Scan

Canadian CT Spine

Cardiac Output (Echo)

Cardiac Output (Fick)

Carboplatin Dose with Jelliffe GFR

Carboplatin Dose with Wright GFR

Carboplatin Dosing

CHADS2 Score

CHA2DS2-Vasc Score

Charlson Comorbidity Index

Change in Serum Sodium

Child-Pugh Criteria

Cincinnati Stroke Scale

CIWA Score for Alcohol Withdrawal

CKD-EPI GFR Calculator

Clinical Pulmonary Infection Score (CPIS)

Cockcroft Gault GFR

Corrected QT (QTc)

Corrected Serum Calcium

Corrected Serum Phenytoin

Corrected Serum Sodium

Creatinine Clearance (Cockcroft Gault) (CrCl)

Creatinine Clearance (measured) (CrCl)

Crohn's Disease Activity Index (CDAI)

Crohn's Disease Activity Index (CDAI), Pediatric

CSF WBC Correction for Traumatic Lumbar Puncture

CURB-65 Score for Community Acquired Pneumonia

DAS: 3 & 4 Variables

DAS-CRP: 3 & 4 Variables

DAS28: 3 & 4 Variables

DAS28-CRP: 3 & 4 Variables

Delta-Delta

Delta Gap

Dermatome Map (Reference; No Calculation)

Dose Calculator (Corrected for BSA, Calvert, or Weight)

Duke Activity Status Index

Duke Criteria for Infectious Endocarditis

Duke Treadmill Score

ECOG Performance Status

Edinburgh Depression Scale

Effective Regurgitant Orifice Area by PISA

Electrolytes/Labs Units Conversion

Endotracheal Tube Size for Pediatric Patients

Epworth Sleepiness Scale

ESR Corrected for Age and Gender

EuroSCORE for Cardiac Surgery Risk

Expanded Disability Status Scale (EDSS): Kurtzke Scale (Reference; No Calculation)

Fractional Excretion of Calcium (FECa)

Fractional Excretion of Sodium (FENa)

Fractional Excretion of Urea (FEUrea)

Framingham Cardiac Risk Score

Free Sodium Deficit for Hyponatremia

Free Water Deficit for Hypernatremia

Full Outline of Unresponsiveness (FOUR) Score

Gas Unit Conversion (mmHg to/from kPa)

Geneva Score, Original

Geneva Score, Revised

Geriatric Depression Score (15-point)

Glasgow Alcoholic Hepatitis Score (GAHS)

Glasgow Coma Scale

Glasgow Pancreatitis Criteria

Glucose Infusion Rate (GIR)

Goldman Criteria for General Surgery

GRACE Risk Score for In-Hospital Risk

GRACE Discharge to 6 Months Risk Score

Hamilton Depression Scale

HAS-BLED Score

HbA1C to Average Blood Sugar Conversion

Heart Failure Survival Score (HFSS)

Heart Rate from EKG

Height Unit Conversion

Henderson-Hasselbach Equation

Heparin Induced Thrombocytopenia

Hunt-Hess Classification for Sub-arachnoid Hemorrhage

ICH Score for Intracerebral Hemorrhage

Ideal Body Weight (IBW)

Injury Severity Score

Interval calculator (time between two dates or times)

Iron Deficit

Iron Dextran Dosing

IV Drip Rate

IV Infusion Rate

Karnofsky Performance Scale (KPS)

King's College Criteria (O'Grady) for Fulminant Hepatic Failure

Kleihauer-Betke Fetal-Maternal Hemorrhage Estimation

Kt/V and Urea Reduction Rate

Light's Criteria

LDL Cholesterol Estimation (Friedewald Equation)

Liquid Dose Calculator (Corrected for BSA, Calvert, or Weight)

Long's Modification for Harris-Benedict Basal Energy Expenditure

Lovenox/Enoxaparin Dosing

LRINEC for Necrotizing Fasciitis Score

Maintenance Fluids (including 1.5x maintenance fluids and pediatric bolus)

MASCC Score for Low-Risk Neutropenia

Maximum Allowable Blood Loss

MDRD GFR

Mean Arterial Pressure

MELD Score

MELD Score with UNOS Modification

Mitral valve area by pressure half time

Modified Rankin Scale (MRS)

Myotomes (reference only)

Neutral Thermal Environment

New Injury Severity Score

NEXUS

NEXUS II for Head Injury

NIH Stroke Scale

Normal Lab Values

Number Needed to Treat (NNT)

OESIL Score for Syncope

Opiate Equivalence

Osmolality with Osmolal Gap (Serum)

Osmotic Gap (Stool)

Ottawa Ankle, Foot, Knee Rules

Oxygen Index

P/F Ratio

Parkland Formula

Parsonnet Score

Patient Health Questionnaire (PHQ-9)

Patient Health Questionnaire (PHQ-9)

Peak Flow (predicted)

Pediatric Appendicitis Score NEW!

Pediatric Dosing Calculator

Pediatric Glasgow Coma Scale

Pediatric Resuscitation / Emergency Dosing

PELD Score

PERC Rule (Pulmonary Embolism Rule-out Criteria)

Pneumonia Severity Index (PORT Score)

Portsmouth Possum (P-Possum) Score

POSSUM Score

Post-Test Probability (Fagan's Nomogram)

Predicted PaO2 at Sea Level (Sorbini)

Pregnancy Calculator (enter LMP or Due Date)

Pulmonary Embolism Risk by Pisa study with Chest X-Ray

Pulmonary Embolism Risk by Pisa study without Chest X-Ray

Pulmonary Embolism Severity Index (PESI)

Pulmonary Vascular Resistance

Rate Pressure Product

Ramsay Sedation Scale

Ranson Criteria

Rapid Shallow Breathing Index (RSBI)

Reticulocyte Production Index

Regurgitant volume by PISA

Revised Trauma Score (regular and coded)

Richmond Agitaton Sedation Score

RIFLE Criteria for Renal Failure

Rockall Score for Upper GI Bleeding

Sad Persons Depression Scale

Salazar-Corcoran CrCl for obese patients

San Francisco Syncope Rule

SAPS II Score

Schwartz Pedi GFR

Serum Ascites Albumin Gradient (SAAG)

Silverman-Anderson Index

Simplified Bernoulli

Sinusitis: Major and Minor Criteria

SIRS Criteria

Six Minute Walk Test

SLE Disease Activity Index (SLEDAI)

SOFA score

Spirometric Values (ERS and Crapo)

Steroid Equivalence

Strep Pharyngitis Score (Modified Centor)

Strong Ion Difference (SID)

Strong Ion Gap (SIG)

Systemic Vascular Resistance

Target Midparental Height Calculation

Target Tidal Volume based on 6-8 mL/kg of Ideal Body Weight

Temperature Conversion

TIMI NSTEMI

TIMI STEMI

Tubular Resorption of Phosphate (TRP)

Transtubular K Gradient

Tylenol Toxicity Nomogram with White Prediction

UKELD Score

Umbilical Catheter Insertion Depth for Low Insertions

Urinary Anion Gap

Urinary Calcium Excretion (Ca / Cr)

Urine Output

Urine Protein to Creatinine Ratio

Valve area by PISA

Valve area by PISA with funnel angle correction

Weight Unit Conversion

Well's Criteria for DVT

Well's Criteria for PE

Westley Croup Score

WFNS Grade for Subarachnoid Hemorrhage

Winters' Formula

Wright GFR