Medical Algorithms Calculators Tools
Various medical tools, online clinical calculators, formulas, algorithms and rules for clinical decision making.
A-a Gradient
ABG interpreter Calculator - Interprets a respiratory or metabolic cause for pH disorders.
Adjusted Body Weight (ABW) Calculator - Calculates the ABW in obese persons for more accurate drug dosing
Allowable Blood Loss Calculator - Calculates how much blood can be lost without needing a
transfusion
Alveolar-arterial Oxygen
Gradient (A-a gradient)
Anion Gap
Anion Gap Delta
Blood Alcohol Concentration
Blood Oxygen Content
Body Mass Index
Body Mass Index Calculator - Including height and weight charts.
Body Surface Area, Body Mass Index
Body Surface Area calculator for medication doses - Includes descriptive statistics.
Calculate IV rate as mL/hr
Cardiac Output
Celsius to Fahrenheit
conversion
Cerebrospinal
White Blood Cell Correction in Traumatic Lumbar Puncture
Creatinine Clearance
Dose Calculator mL/hr as dose/hr - Calculates the dose of medications infusing
Dose Calculator mL/hr as mcg/min - Calculates the dose of medications infusing
Dose Calculator mL/hr as mcg/kg/min - Calculates the dose of medications infusing
Drug Absorption (Pka) Calculator - Determines how well a medication will be absorbed into the body
Epinephrine Solutions to mg/mL Conversion Calculator - Chart that converts a ratio into a
mg/mL concentration
Estimated Blood Volume Calculator - Estimates how much blood is in a person's body
Estimated Creatinine Clearance
Factor VIII dosing
Factor IX dosing
Fahrenheit to Celsius
conversion
Fractional Excretion of Amylase ( Amylase to Creatinine Clearance Ratio )
Fractional Excretion of Sodium
Free Water Deficit
GFR Estimation using the MDRD Equation
Henderson-Hasselbach Equation
Ideal Body Weight (IBW) Calculator - Compares an individuals weight against a statistical norm
Inches to Centimeters Conversion Calculator - Converts inch and centimeter lengths
Ingested Substance Blood Level
Ionized Calcium Estimation
IV Dosage Calculator
IV Infusion Time (using IV pump)
IV Rate (gtt/min) Calculator - Calculates IV rates without using an IV pump
IV Rate (mL/hr) Calculator - Calculates IV rates when given a time limit when IV must be infused
IV Rate Calculator mcg/min as mL/hr - Calculates IV medication rates
IV Rate Calculator mcg/kg/min as mL/hr - Calculates IV medication rates
Kilograms to Pounds
Conversion
Lung Volume
Mean Arterial Pressure
Muscle Relaxants Calculator
N.P.O. Fluid Replacement Calculator - Calculates fluid replacement for time NPO
O.R. Fluid Requirements Calculator - Calculates IV rate according to the type of surgery
Osmolality Estimator (serum)
Oxygen Remaining in E-Cylinder Calculator - Calculates how much O2 is left according to rate
infusing
Pediatric Code Med Sheet Generator
Pediatric Dose Calculator - Converts an adult dosage into a pediatric using BSA
Pediatric Drip Rate - Dose Rate Calculator
Pediatric Emergency Medications Drip Sheet Calculator
Pneumothorax Degree of Collapse
PO Dosage Calculator - Calculates liquid medications such as acetaminophen elixir
Pounds to Kilograms
Conversion
Pounds to Kilograms Conversion Calculator - Converts pound and kilogram weights
Predicted
Alveolar-arterial Gradient (A-a gradient) for Age
Predicted
Endotracheal Tube Size for Age
Predicted Peak
Expiratory Flow (PEF, peak flow) - Females
Predicted Peak
Expiratory Flow (PEF, peak flow) - Males
Pregnancy Due Date
Pregnancy Wheel
Propofol Bolus/Infusion Calculator - Calculates how many mL to push for intubation or rates for
sedation and maintenance
QT Interval Correction (EKG)
Room Air
Alveolar-arterial Gradient (A-a gradient)
Serum Osmolarity
Serum Osmolarity Estimation
Sodium Bicarbonate
Replacement
Sodium Correction in
Hyperglycemia
Sodium Correction in Hyperglycemia
Solutions % to mg/mL Conversion Calculator - Converts % solution into mg/mL concentration
Transtubular Potassium Gradient at CCD
UNOS PELD Score in Liver Disease (Patients less than 18 years old)
Water Deficit in Hypernatremia
Weights and Measures - Converts lbs. to kgs. and F to C.
Action Research Arm Test
Alvarado Appendicitis Score
American Heart Association Stroke Outcome Classification (AHA SOC)
Apache II Score
Apgar Score
Apgar Score
Asthma Hospitalization One Year Risk
ATP III Metabolic Syndrome Criteria
Barthel Index
Berg Balance Scale
Bleeding Probability After TPA
for MI
Blessed Dementia Scale
Blessed Dementia Information Memory Concentration Test
Blunt Trauma Prediction Rule: Aortic injury
Bradycardia Treatment Algorithm
Canadian Neurological Scale (CNS)
Cardiac Arrest: Likelihood of
Mortality and Neurologic Recovery
Cardiac Risk Index in Noncardiac Surgery
Cincinnati Stroke Scale
Community
Acquired Pneumonia Mortality Risk for Adults
Coronary Disease Probability
Crotalid Snakebite
Severity Score
Croup Score (pediatric)
Diabetes Screening
Edmonton Functional Assessment Tool (EFAT)
Edmonton Staging System (ESS)
Edmonton Symptom Assessment System (ESAS)
Framingham LDL Female 10 Year Coronary Risk Prediction
Framingham LDL Male 10 Year Coronary Risk Prediction
Functional Independence Measurement (FIM)
Gail Model for 5 Year Risk of Breast Cancer
Geriatric Depression
Scale (Koenig)
GI Bleed Complication Risk
Glasgow Coma Scale
Glasgow Outcome Scale (GOS)
Hachinski Ischaemia Score
Hamilton Rating Scale for Depression
Heart Disease Risk
Hemispheric Stroke Scale
Hunt & Hess Scale
Hypernatremia Treatment Algorithm
Hyponatremia Treatment Algorithm
Inferior Wall Myocardial Infarction Diagnosis
Inferior Wall MI in Vector and Scalar Electrocardiography
Jones Criteria for Diagnosis of Rheumatic Fever
Karnofsky Performance Scale
Left Bundle Branch Block in Vector and Scalar Electrocardiography
Left Ventricular Hypertrophy in Vector and Scalar Electrocardiography
Los Angeles Prehospital Stroke Screen (LAPSS)
Mangled Extremity
Severity Score
Mathew Stroke Scale
Medicine Methods Medical Algorithms - Medical diagrams and algorithms that review the
workup, differential diagnosis and findings on history and physical exam for common medical conditions.
Memorial Symptom Assessment Scale
M.I. Prediction Decision
Migraine With Aura Diagnostic Criteria
Migraine Without Aura Diagnostic Criteria
Mini-Mental Status Examination
Mini-Mental Status Examination (MMSE)
Modified Rankin Scale
Myocardial Infarction
Probability (Goldman)
NIH Stroke Scale
NINDS - AIREN Criteria for the Diagnosis of Vascular Dementia
Orpington Prognostic Score
Orgogozo Stroke Scale
Ottawa Ankle Rules
Ottawa Foot Rules
Ottawa Knee Rules
Oxfordshire Community Stroke Project Classification (Bamford)
Pittsburgh Knee Rule
Pittsburgh Knee Rule for X-Ray Evaluation of Knee Injury
Pneumothorax Volume (%)
Polycythemia Vera Diagnostic Criteria
Probability Coronary Artery Disease
Ranson's Criteria for
Pancreatitis Mortality Prediction
Rash Diagnosis Algorithm
Rheumatoid Arthritis Criteria
SARS (Severe Acute Respiratory Distress Syndrome) CDC Case Definition
Scandinavian Stroke Scale
Short Orientation-Memory Concentration Test
Smallpox Risk Assessment
Strep Pharyngitis Probability
Score
Stroke Impact Scale (SIS)
Stroke Specific Quality of Life Measure (SS-QOL)
tPA for Acute Stroke:
Indications/Contraindications
Trauma Score for Survival Probability
TWEAK Alcoholism Score
Vector and Scalar Electrocardiography
Warfarin Dosing
How To Tie A Bow-Tie
Acetaminophen Toxicity
Nomogram
Acid-base disturbance graph
Benign positional vertigo: Diagnosis
Benign positional vertigo: Treatment at
bedside
Dermatomes
Ibuprofen toxicity nomogram
Rule of Nines
Salicylate toxicity
nomogram
Endocarditis
Prophylaxis - Antibiotic Regimens
Endocarditis
Prophylaxis - Which Cardiac Conditions Require It?
Endocarditis
Prophylaxis - Which Procedures Require It?
Ethanol effects in non-alcoholics
Opioid Potency Comparison
Pediatric Resuscitation
Equipment - Sizing by Age
Pediatric Vital Signs
Synovial Fluid Classification
Systemic
Glucocorticoids Comparison
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