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Formula Suggestions

Let us know which new formula you would like to see included in MedCalc or how we can enhance existing formulas.

4541 results found

  1. GAD-7 Anxiety score

    A seven point score for anxiety based on questions giving scores from 0-3 with a total of 21. Commonly used in primary care in the UK

    32 votes
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    1 comment  ·  New Formulas  ·  Admin →
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  2. HCM Risk-SCD-Calculator

    Liebe Kollegen,
    Ich schlage folgenden Risikorechner vor:
    Er schätzt das 5-Jahre-Risiko für plötzlichen Herztod bei Patienten mit hypertrophen Kardiomyopathie. Es wird in den aktuellen ESC-Guidelines empfohlen und anhand von diesem Wert wird die Indikation zur ICD Implantation evaluiert (Risiko<4% kein ICD, 4-6% wird evaluiert, >6% ICD empfohlen)

    Die Formel gemäss ESC-Guidelines lautet:

    Probability SCD at 5 years = 1 – 0.998 exp(prognostic index) where Prognostic index = [0.15939858 x maximal wall thickness (mm)] – [0.00294271 x maximal wall thickness2 (mm2)] + [0.0259082 x left atrial diameter (mm)] + [0.00446131 x maximal (rest/Valsalva) left ventricular outflow tract gradient (mmHg)] + [0.4583082…

    32 votes
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  3. Please add Opioid Risk Tool (ORT)

    Please add Opioid Risk Tool (ORT)

    32 votes
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  4. 31 votes
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  5. Lung Compliance & Resistance

    Various lung compliance formulas such as:

    dFiO2 = ([80 / a/A ratio + PCO2 / 0.8] / 713) * 100

    CTV = exhaled TV - 3*(PAP - PEEP)

    Static compliance = CTV / (PAP - PEEP)

    Dynamic compliance = CTV / (plateau pressure - PEEP)

    31 votes
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  6. Benzodiazepine Conversion Chart

    Similar to the opioids conversion chart

    31 votes
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  7. Criterio fine neumonía (FINE scale)

    Escala de riesgo en neumonías adquiridas en la comunidad.

    31 votes
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    1 comment  ·  New Formulas  ·  Admin →
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  8. NHFS (Nottingham Hip Fracture Score)

    Predicts 30-day mortality after hip fracture repair. [doi:10.1093/bja/aes187]

    31 votes
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  9. Gent & vanc dosing and monitoring

    I would most welcome calculator for dosing gentamicin & vancomycin. Moreover, adjusting dose for levels.

    30 votes
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  10. 30 votes
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  11. 29 votes
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  12. Tokyo Guidelines (TG13)

    Acute cholangitis, cholecystitis.

    29 votes
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  13. Rockwood Frailty Score

    Geriatric frailty assessment.

    Hubbard RE, O'Mahony MS, Woodhouse KW: Characterising frailty in the clinical setting--a comparison of different approaches.
    Age Ageing 2009, 38(1):115-119.

    29 votes
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  14. MAGGIC

    Heart failure risk score

    29 votes
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    1 comment  ·  New Formulas  ·  Admin →
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  15. 29 votes
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    1 comment  ·  Admin →
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  16. MAC values for Isoflurane, Sevoflurane and desflurane

    Input variables would be Agent (gas), expired gas concentration and age.
    Calculated output would be age corrected MAC values for agent in 100% oxygen, 50% N2O and 67% N2O.
    option to input age, agent and % expired N2O and generate a table of expired gas concentration in % to give age corrected MACs of 0.25, 0.5, 0.75, 1.0, 1.5 and 2.0

    27 votes
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  17. GFR using Jelliffe both adjusted and not adjusted for BSA.

    GFR estimate using the Jeliffe formula. This is still used clinically by, among others, oncologists.

    26 votes
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    1 comment  ·  New Formulas  ·  Admin →
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  18. 26 votes
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  19. CVD-risc: Morise-Score and/or Tables of Diamond and Forrester

    Evaluation of CVD Pretest Propability by "Morise-Score" and/or "Tables of Diamond and Forrester".

    Helpful with AP-Patients to determine their risc for a CVD-Disease and what Examination to do next (ergometry, MPS, stress-Echo, koronary angiografy etc)...

    See swiss medical forum 29/30 (print 1424-3784 or online 1424-4020).

    27 votes
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  20. 27 votes
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