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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.

4682 results found

  1. 3 votes
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  2. DVT Decision Rules

    Comparing the Diagnostic Performance of 2 Clinical Decision Rules to Rule Out Deep Vein Thrombosis in Primary Care Patients
    Annals of Family Medicine 9:31-36 (2011)
    http://www.annfammed.org/cgi/content/full/9/1/31

    2 votes
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  3. 2 votes
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  4. Heparin Therapy

    http://www.annals.org/content/119/9/874.full
    Raschke RA, Reilly BM, Guidry JR, Fontana JR, Srinivas S. The weight-based heparin dosing nomogram compared with a “standard care” nomogram. A randomized controlled trial. Ann Intern Med. 1993;119:874-81. [PMID: 8214998]

    2 votes
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  5. minute volume correction according to PaCO2

    There is a interesting formula for minute volume correction according to PaCO2:

    Desired MV = (actual MV x actual PaCO2)/calculated PaCO2

    MV can be splited - MV = Tidal volume x respiratory rate; this helps to simplify calculations when you have only RR.

    calculated PaCO2 is derived from the Winters formula.

    It works for controled ventilation and some types of SIMV.

    2 votes
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  6. 2 votes
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  7. 2 votes
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  8. 2 votes
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  9. Sunnybrook score

    facial paralysis

    2 votes
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  10. PRF Risk Calculator

    Published in Chest. 2011 Nov;140(5):1207-15. Epub 2011 Jul 14.

    Available as excel sheet at:

    http://www.surgicalriskcalculator.com/prf-risk-calculator

    3 votes
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  11. 3 votes
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  12. 3 votes
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  13. Escala de Lovett

    0 Ausencia de contraccion (paralisis)
    1 Contraccion visible o palpable
    2 Movimiento activo en todo el arco de movimiento sin gravedad
    3 Movimiento activo en todo el arco de movimiento contra gravedad (10 Repeticiones)
    4 Movimiento activo completo, contra gravedad y resistencia (15 Repeticiones)
    5 Movimiento activo contra gravedad y resistencia maxima. (Mas de 20 Repeticiones)

    3 votes
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  14. 3 votes
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    0 comments  ·  Admin →
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  15. 3 votes
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  16. Lipsitz score

    Neonatal drug withdrawal score (1974)

    3 votes
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    0 comments  ·  New Formulas  ·  Admin →
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  17. 3 votes
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  18. Mean Airway Pressure

    Calculation of mean airway pressure for ventilated patients on pressure control ventilation.

    (I-time x RR x inspiratory pressure) / 60 + PEEP

    3 votes
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    1 comment  ·  New Formulas  ·  Admin →
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  19. Spinal Instability Neoplastic Score

    Spinal Instability Neoplastic Score. SPINE 2010 Fisher et al

    3 votes
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  20. Webster Scale

    Webster DD (1968) Critical analysis of the disability in Parkinson’s disease Med Treatm 5: 257-282)

    3 votes
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