INTRO EQUATIONS CRITERIA DECISION CONVERT SPECIALTIES REFS SEARCH NEW CONTACT |

Medical Equations |

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

A |

- A-a Gradient
- a/A Ratio
- AaPO2 Correction for FIO2
- Absolute Eosinophil Count
- Absolute Lymphocyte Count
- Absolute Neutrophil Count
- Absolute Reticulocyte Count
- Acute Heart Failure Prediction Based on NT-proBNP and Clinical Features
- Adjusted Cerebrospinal Fluid White Blood Cell Count in the Presence of Red Blood Cells
- Allowable Blood Loss
- Aminoglycoside Clearance Estimate
- Anion Gap Delta Delta Gradient Multicalc
- Anion Gap Delta Delta Ratio Multicalc
- Anion Gap in Hypoalbumin States
- Anion Gap
- Ascites Albumin Gradient

B |

- Basal Energy Expenditure (Harris-Benedict estimation)
- Base Excess Determination
- Bayesian Statistics I MultiCalc
- Bayesian Statistics II MultiCalc
- Benefit Increase / Number Needed to Treat Multicalc
- Bicarbonate Deficit
- Blood Ethanol Concentration Estimation
- Blood pressure percentiles for boys 0 to 17 years old (revised 2017)
- Blood Pressure Percentiles for Boys 2 to 17 years old (2004 standard)
- Blood pressure percentiles for girls 0 to 17 years old (revised 2017)
- Blood Pressure Percentiles for Girls 2 to 17 years old (2004 standard)
- Body Mass Index (BMI Quetelet's index)
- Body Mass Index (BMI) percentiles for boys (2 to 20 years)
- Body Mass Index (BMI) percentiles for girls (2 to 20 years)
- Body Surface Area (BSA, Du Bois Method)
- Body Surface Area (BSA, Gehan and George Method)
- Body Surface Area (BSA, Mosteller, square root method)
- Body Surface Area Based Dosing
- Burn Injury Fluid Resuscitation (Brooke estimate)
- Burn Injury Fluid Resuscitation (Demling dextran estimate)
- Burn Injury Fluid Resuscitation (Evans estimate)
- Burn Injury Fluid Resuscitation (Modified Brooke crystalloid estimate)
- Burn Injury Fluid Resuscitation (Slater estimate)
- Burn Injury Fluid Resuscitation, Adult (Parkland crystalloid estimate)

C |

- Calcium Correction in Hypoalbuminemia (SI units)
- Calcium Correction in Hypoalbuminemia
- Calorie Requirements for Weight Maintenance and Weight Loss in Men (Patient information)
- Calorie Requirements for Weight Maintenance and Weight Loss in Women (Patient information)
- Carbon Dioxide Production
- Cardiac Output MultiCalc
- Cardiac Output Using Oxygen Saturation Data Only
- Cardiac Output
- CDC Height for Age Percentiles for Boys (2 to 20 years)
- CDC Height for Age Percentiles for Girls (2 to 20 years)
- CDC Stature for Age Graph for Girls (2 - 20 years)
- CDC Weight for Age Percentiles for Boys (2-20 years)
- CDC Weight for Age Percentiles for Girls (2-20 years)
- CDC Weight for Height Percentiles for Boys (77-121 cm tall)
- CDC Weight for Height Percentiles for Girls (77-121 cm tall)
- CDC/NCHS Infant Growth Percentiles (<36 months)
- CDC/NCHS Infant Head Circumference for Age Percentiles (<36 months)
- CDC/NCHS Infant Length for Age Percentiles (<36 months)
- CDC/NCHS Infant Weight for Age Percentiles (<36 months)
- CDC/NCHS Infant Weight for Length Percentiles (<36 months)
- Chi Square Analysis
- Closing Capacity to Total Lung Volume Capacity
- Closing Capacity
- Closing Volume to Vital Capacity Ratio
- Confidence Interval of a Binomial Proportion
- Confidence Interval of a Difference Between Proportions
- Confidence Interval of a Ratio of Proportions
- Confidence Interval of a Ratio of Ratios
- Confidence Interval of a Survey
- COPE Statistic Adding Cost to Number Needed to Treat
- Creatinine Clearance (measured)
- Creatinine Clearance (measured, SI units)
- Creatinine Clearance by Mass
- Creatinine Clearance Estimate by Cockcroft-Gault Equation (SI units)
- Creatinine Clearance Estimate by Cockcroft-Gault Equation with Ideal Body Weight
- Creatinine Clearance Estimate by Cockcroft-Gault Equation
- Creatinine Clearance Estimate by Jelliffe Formula
- Creatinine Clearance Estimate by Sanaka Formula (for older subjects with low muscle mass)
- Creatinine Kinetics MultiCalc
- CSF IgG Index
- CSF Protein Concentration Correction in Blood Contaminated CSF

D |

- Diffusing capacity for carbon monoxide (DLCO) corrected for anemia
- Diffusing capacity for carbon monoxide (DLCO) correction of predicted value for anemia (SI units)
- Digitalis Body Load
- Dose Adjustment for Body Surface Area
- Dose Driven IV-Drip Rate Calculator
- Dynamic International Prognostic Scoring System-Plus (DIPSS-Plus) for Primary Myelofibrosis (PMF) in Adults and Adolescents

E |

- Endotracheal tube size for children (Age 1 to 8 years)
- Energy Loss Index and the Severity of Asymptomatic Aortic Stenosis
- England Fraser Index for Differentiating Beta-thalassemia Trait from Iron-deficiency
- Epidural Formulation Compounding Calculator
- Estimated 24 Hour Urine Protein Excretion in Pregnancy (from spot urine protein to creatinine ratio)
- Estimated Blood Volume
- Estimated Date of Delivery (EDD) Pregnancy Calculator
- Estimated Delivery Date (Patient information)

F |

- False Negative Rate from Sensitivity and Prevalence
- False Negative Ratio from Sensitivity and Prevalence
- False Positive Rate from Specificity and Prevalence
- False Positive Ratio from Specificity and Prevalence
- Fat Free Mass, a Measure of Lean Body Weight
- Fractional Excretion of Amylase (Amylase to creatinine clearance ratio)
- Fractional Excretion of Magnesium (SI units)
- Fractional Excretion of Magnesium
- Fractional excretion of phosphate (FePO
_{4}) - Fractional Excretion of Sodium (FENa)
- Fractional Excretion of Sodium (FENa, SI units)
- Fractional Excretion of Urate
- Friedewald Equation for Low Density Lipoprotein (LDL-C)
- Friedewald Equation for Low Density Lipoprotein (LDL-C, SI units)
- Functional Residual Capacity

G |

- Gestational Age from Estimated Date of Delivery (EDD)
- Glomerular Filtration Rate (GFR) Estimate by CKD-EPI Equation
- Glomerular Filtration Rate (GFR) Estimate by Quadratic Equation
- Glomerular Filtration Rate (GFR) Estimate by Schwartz Formula
- Glomerular Filtration Rate (GFR) Estimate by the Abbreviated MDRD Study Equation (SI units)
- Glomerular Filtration Rate (GFR) Estimate by the Abbreviated MDRD Study Equation
- Glomerular Filtration Rate (GFR) Estimate by the IDMS-Traceable MDRD Study Equation
- Glomerular Filtration Rate (GFR) Estimate by the MDRD Equation (SI units)
- Glomerular Filtration Rate (GFR) Estimate by the MDRD Equation
- Glomerular Filtration Rate (GFR) Estimate by Updated Schwartz Formula
- Glomerular Filtration Rate (GFR) Estimate in African Americans by AASK Equation
- Glycemic Assessment: A1C to Average Glucose Conversions
- Gorlin Formula for Valve Area
- Green King Index for Differentiating Beta-thalassemia Trait from Iron-deficiency

H |

- Height Potential: A Child's Target Height Based on Midparental Height
- Henderson-Hasselbach Equation
- Hepatitis C Fibrosis Prediction Score
- HOMA Formula: Homeostasis Model Assessment of Insulin Resistance
- Housestaff Activity Index
- Hyponatremia Correction Infusate Rate

I |

- Ideal body weight (method of Devine) and adjusted body weight for adults
- Ideal Body Weight Percentage
- Ideal Body Weight
- In-Flight PaO2 Estimation (using PFT's)
- In-Flight PaO2 Estimation
- Injury Severity Score (ISS)
- Inspiratory Capacity
- International Normalized Ratio of Prothrombin Time (INR)
- IV Drip Maintenance Rate Calculator

K |

- Kappa Measurement of Inter-observer Agreement MultiCalc
- Kappa Measurement of Inter-observer Agreement: Bennett's Kappa
- Kappa Measurement of Inter-observer Agreement: Cohen's Kappa
- Kappa Measurement of Inter-observer Agreement: Scott's Kappa
- Kt/V Dialysis Dose Barth Formula
- Kt/V Dialysis Dose Basile Formula
- Kt/V Dialysis Dose Daugirdas Formula
- Kt/V Dialysis Dose Formulae MultiCalc
- Kt/V Dialysis Dose Jindal Formula
- Kt/V Dialysis Dose Kerr Formula
- Kt/V Dialysis Dose Keshaviah Formula
- Kt/V Dialysis Dose Lowrie Formula

L |

- Lean Body Weight (Female)
- Lean Body Weight (Male)
- Lean Body Weight Based on Creatinine Production
- Likelihood Ratio MultiCalc
- Likelihood Ratio of Negative from Raw Data
- Likelihood Ratio of Positive from Raw Data
- Lung Age Estimation for Smoking Cessation Counseling
- Lung Volume Multicalc

M |

- Maintenance Fluid Calculation for Children Based on Hourly Fluid Requirements
- Maintenance Fluid Calculation for Children
- Mantle Cell Lymphoma International Prognostic Index (MIPI)
- Mean Arterial Pressure (MAP) in Adults and Children (conventional or SI units)
- Mean Corpuscular Hemoglobin Concentration
- Mean Corpuscular Hemoglobin
- Mean Corpuscular Volume
- Mean Vascular Pressure (systemic or pulmonary)
- MELD Score for End-Stage Liver Disease (NOT appropriate for patients under the age of 12) (SI units)
- MELD Score for End-Stage Liver Disease (NOT appropriate for patients under the age of 12)
- MELDNa Score (2008) for End-Stage Liver Disease (NOT appropriate for patients under the age of 12) (SI units)
- MELDNa Score (2008) for End-Stage Liver Disease (NOT appropriate for patients under the age of 12)
- MELDNa Score (2016) (SI units)
- MELDNa Score (2016)
- Mortality risk in post-operative patients with cirrhosis (SI units)
- Mortality risk in post-operative patients with cirrhosis

N |

- Nasal Cannula Oxygen Fractional Inspired O
_{2}(FiO_{2}) Estimate - Negative Predictive Value from Raw Data
- Negative Predictive Value of a Test
- NIH Chronic Prostatitis Symptom Index
- Normal Range for Body Weight
- Number Needed to Harm (NNH) from Odds Ratio (OR) and Patient Expected Event Rate (PEER)
- Number Needed to Treat (NNT) from Odds Ratio (OR) and Patient Expected Event Rate (PEER)

O |

- Odds from Probability
- Odds Ratio and Relative Risk
- Osmolal Gap Calculator (SI units)
- Osmolal Gap Calculator
- Osmolality Estimator (serum)
- Osmolar Clearance
- Overall Accuracy of a Test from Raw Data
- Overall Accuracy of a Test from Sensitivity, Specificity and Prevalence
- Oxygen Consumption
- Oxygen Content of Arterial Blood
- Oxygen Content of Venous Blood
- Oxygen Saturation Estimate from PO2
- Oxygenation Index (OI)

P |

- paO2 / FIO2 Ratio (for MODS Calculation)
- PaO2 Correction for FIO2
- PASI Psoriasis Area and Severity Index
- Peak Expiratory Flow Prediction (Nunn)
- Peak Expiratory Flow Prediction in Females (Hankinson)(18 to 85 years)
- Peak Expiratory Flow Prediction in Males (Hankinson)(18 to 85 years)
- Peak Expiratory Flow Variability in Asthma
- PELD Score for End-Stage Liver Disease (patients less than 12 years old)
- PFT Adjusted Predicted Values for Men MultiCalc
- PFT Adjusted Predicted Values for Women MultiCalc
- PFT Predicted Values for Boys MultiCalc
- PFT Predicted Values for Girls MultiCalc
- PFT Predicted Values for Men MultiCalc
- PFT Predicted Values for Women MultiCalc
- Phenytoin Free (Unbound) Drug Level (Adjusted for Hypoalbuminemia)
- Phenytoin Total Drug Level (Adjusted for Hypoalbuminemia and Renal Function)
- Pneumothorax Degree of Collapse
- Positive Predictive Value from Raw Data
- Positive Predictive Value of a Test
- Post Test Odds from Pre Test Odds and Likelihood Ratio MultiCalc
- Post Test Odds of a Negative from Raw Data
- Post Test Odds of a Negative Result from Sensitivity Specificity and Prevalence
- Post Test Odds of a Positive from Raw Data
- Post Test Odds of a Positive Result from Sensitivity Specificity and Prevalence
- Post Test Probability from Pre Test Probability, Sensitivity and Specificity
- Post-Test Probability from Likelihood Ratios and Multiple Test Results
- Post-Test Probability from Sensitivity and Specificity of Multiple Test Results
- Pre Test Odds from Prevalence
- Pre Test Odds from Raw Data
- Predicted postoperative FEV1 following lung resection surgery (anatomic method)
- Predicted postoperative FEV1 following lung resection surgery (perfusion method)
- Pregnancy Gestation by LMP and Ultrasound Biometry
- Pressure Adjusted Heart Rate (For MODS calculation)
- Prevalence of a Finding or Disease from Test Data
- Probability from Odds
- Protein Bound Calcium
- Protein Catabolic Rate (normalized PCR)
- Protein Catabolic Rate
- Pulmonary Vascular Resistance
- Pulse Pressure Variation (percentage)

Q |

R |

- Renal Failure Index
- Residual Renal Function in Hemodialysis Patients (Kru)
- Residual Volume to Total Lung Capacity Ratio
- Respiratory Quotient
- Reticulocyte Production Index
- Right to Left Shunt Fraction Qs/Qt
- Risk Increase / Number Needed to Harm Multicalc
- Risk Reduction / Number Needed to Treat Multicalc

S |

- Sensitivity of a Test
- Serum Sodium Concentration Change Considering Infused and Excreted Cations
- Sodium Change in Hyperproteinemia
- Sodium Change in Hypertriglyceridemia
- Sodium Concentration Correction for Hyperglycemia (Emmett 2013)(conventional or SI units)
- Sodium Correction in Hyperglycemia (Hillier 1999)
- Sodium Correction in Hyperglycemia (Katz 1973)
- Sodium Deficit in Hyponatremia
- Specificity of a Test
- Stool Osmolal Gap
- Survey Sample Size with Population Correction
- Survey Sample Size
- Systemic Vascular Resistance
- Systolic Pressure Variation (percentage)

T |

- Time Averaged Concentration of Urea in Hemodialysis
- TIPS Risk predictor / Survival predictor (Transjugular Intrahepatic Portosystemic Shunt)
- Total Body Water (BIA formula)
- Total Body Water Estimation Based on Weight Alone
- Total Body Water in Men (Humes-Weyer formula)
- Total Body Water in Men (Johansson formula)
- Total Body Water in Men (Lee formula)
- Total Body Water in Men (Watson formula)
- Total Body Water in Women (Humes-Weyer formula)
- Total Body Water in Women (Johansson formula)
- Total Body Water in Women (Lee formula)
- Total Body Water in Women (Watson formula)
- Total Daily Energy Requirement Estimate
- Total Lung Capacity
- Transferrin Receptor-Ferritin Index for Diagnosis of Iron deficiency Anemia
- Transferrin Saturation
- Transtubular Potassium Gradient at CCD
- True Negative Ratio from Specificity and Prevalence
- True Positive Ratio from Sensitivity and Prevalence

U |

- Urea Reduction Percentage in Hemodialysis (PRU)
- Urea Reduction Ratio in Hemodialysis (URR)
- Urinary Protein Excretion Estimation
- Urine anion gap
- Urine osmolal gap (UOG) (SI units)
- Urine osmolal gap (UOG)

V |

W |

- Waist to Hip Ratio
- Water Deficit in Hypernatremia
- Weight Based Divided Dose Calculator
- Weight Based Dosage Calculator
- Weight Loss Indices Following Bariatric Surgery in Adults
- WHO Assessment of Malnutrition in Boys 0 to 2 Years Old
- WHO Assessment of Malnutrition in Boys 2 to 5 years Old
- WHO Assessment of Malnutrition in Girls 0 to 2 Years Old
- WHO Assessment of Malnutrition in Girls 2 to 5 years Old
- WHO Infant Head Circumference for age Percentiles (<24 months)
- WHO Infant Length for Age Percentiles (<24 months)
- WHO Infant Weight for Age Percentiles (<24 months)
- WHO Infant Weight for Length Percentiles (<24 months)
- Winters' Formula for Expected PCO2

Z |

Legal Notices and Disclaimer All information contained in and produced by the EBMcalc system is provided for educational purposes only. This information should not be used for the diagnosis or treatment of any health problem or disease. THIS INFORMATION IS NOT INTENDED TO REPLACE CLINICAL JUDGMENT OR
GUIDE INDIVIDUAL PATIENT CARE IN ANY MANNER.
Click here for full notice and disclaimer. |