Alberta Health Services
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Emergency Drug CalculatorUse this Emergency Drug Calculator to calculate pediatric doses of the following drugs: diphenhydramine, epinephrine, Solu-Cortef (hydrocortisone sodium succinate), naloxone, or flumazenil.
General (Calculator Suites)
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RxKineticsContains pharmacokinetic, parenteral and nutrition related calculators
Calculators by Subject
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Stroke Prevention in Atrial Fib Risk Calculator (SPARC)Used for estimating risk of stroke and benefits & risks of antithrombotic therapy in patients with chronic atrial fibrillation.
MD+Calc (contains the following calculators):
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Padua Prediction Score for Risk of VTEDetermines anti-coagulation need in hospitalized patients by risk of VTE.
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Wells' Criteria for DVTCalculates Wells' Score for risk of DVT.
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Wells' Criteria for Pulmonary EmbolismObjectifies risk of pulmonary embolism.
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Canadian Cardiovascular Society (CCS) Calculators and FormsRecommended calculators from CCS, including Framingham Risk Score (FRS) calculator and printable tool
MD+Calc (contains the following claculators):
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CHADS₂ Score for Atrial Fibrillation Stroke RiskEstimates stroke risk in patients with atrial fibrillation.
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CHA₂DS₂-VASc Score for Atrial Fibrillation Stroke RiskCalculates stroke risk for patients with atrial fibrillation, possibly better than the CHADS₂ score.
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HAS-BLED Score for Major Bleeding RiskEstimates risk of major bleeding for patients on anti-coagulation to assess risk-benefit in atrial fibrillation care.
MD+Calc (contains the following calculators):
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Bicarbonate DeficitCalculates the total body bicarbonate deficit
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Mean Arterial Pressure (MAP)Calculates mean arterial pressure.
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SIRS, Sepsis, and Septic Shock CriteriaDefines the severity of sepsis and septic shock.
MD+Calc (contains the following calculators):
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Absolute Reticulocyte Count & Reticulocyte IndexAssesses appropriate response to anemia, frequently in sickle cell patients.
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Anion GapEvaluates states of metabolic acidosis.
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Calcium Correction for HypoalbuminemiaCalculates a corrected calcium level for patients with hypoalbuminemia.
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Fractional Excretion of Sodium (FENa)Determines if renal failure is due to pre-renal, intrinsic, or post renal pathology.
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Free Water Deficit in HypernatremiaCalculates free water deficit by estimated total body water.
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Serum Osmolality/OsmolarityCalculates expected serum osmolarity, for comparison to measured osmolarity to detect unmeasured compounds in the serum.
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GFR CalculatoreGFR calculator based on CKD-EPI equation
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The Kidney Failure Risk EquationUse this calculator to determine the risk of kidney failure for patients.
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Calcium CalculatorTool from Osteoporosis Canada that calculates amount of additional calcium daily intake required for maintainence of bone health based on gender, age and diet
RxKinetics (contains the following calculators):
Other Helpful Resources for Calculation / Calculators
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Pharmacy Calculations: An Introduction for Pharmacy Technicians, 2nd ed. (2021)
by
This guide provides students with the pharmacy basics necessary for correctly interpreting prescriptions and drug orders, and performing dosing calculations that technicians face every day.
