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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.

2675 results found

  1. Blood sample for infectious disease tests - Qualification.

    Blood samples of potential deceased donors for tissues and cells are taken to minimise the risk of transmitting infectious diseases to other recipients.Collection of the blood samples for testing are taken no longer than 24 hours after death and it is recognised the volume of blood, colloids and crystolloids infused prior to death may affect the test results. A standardised formula (e.g. Europe, USA) is available in this healthcare sector to determine the acceptability of a blood sample for infectious marker testing, when infusions have taken place. The algorithm is based on values related to blood volume, plasma volume and…

    11 votes
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  2. Lown Classification

    Lown-Klassifikation (VES):
    0 keine VES
    1 <30 VES/hr, uniform (=> monotop)
    2 >30 VES/hr, uniform
    3 polymorphe VES:
    3a multiforme VES
    3b Bigemismus
    4 repetitive VES:
    4a Couplet
    4b Salven
    5 R-auf-T

    1 vote
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  3. Antiarrhythmic agent classification

    Antiarrhythmika (Vaughan-Williams):
    I Na-Kanal-Blocker
    II Beta-
    III K-Kanal
    IV Ca-Kanal

    1 vote
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  4. I would like the Hoehn and Yahr scale and UPDRS for Parkinson' Disease

    See above: Hoehn and Yahr Scale and UPDRS

    (misspellings: UPDSR, UDPSR)

    56 votes
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  5. Duke Activity Status Index

    Along with the index, if you could add the oxygen uptake value for that score below the index, it will be helpful.

    This is the DASI, here's one chart: http://lewisvillemedical.com/util/documents/DUKE_ACTIVITY_STATUS_INDEX.pdf

    25 votes
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  6. Mentzer Index

    MCV (fl):Ery (/pl)

    13 Hinweis für Eisenmangelanaemie
    <13 Hinweis für Thalassaemie

    64 votes
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  7. insulin resistance index 胰岛素抵抗指数

    空腹血糖乘以随机胰岛素水平 然后除以22.5

    5 votes
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  8. Percutaneous umbilical transfusion in severe rhesus isoimmunization: resolution of fetal hydrops

    Am. J. Obstet. Gynecol. 1987 vol. 157(6) pp. 1369-75

    Percutaneous umbilical transfusion in severe rhesus isoimmunization: resolution of fetal hydrops.

    Socol ML, MacGregor SN, Pielet BW, Tamura RK, Sabbagha RE

    The rhesus-sensitized fetus with the worst prognosis is one with early onset of hydropic changes. Percutaneous umbilical blood sampling now enables access to the fetal circulation and thereby allows more precise evaluation of fetal anemia and direct intravascular transfusion. A variation of this technique was used in three pregnancies complicated by fetal pericardial effusion, scalp edema, and abdominal ascites before 26 weeks' gestation. Twelve ultrasound-guided percutaneous transfusions of 30 to…

    0 votes
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    0 comments  ·  New Formulas  ·  Admin →
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  9. A simple method to estimate volume for fetal intravascular transfusions

    Fetal. Diagn. Ther. vol. 13(2) pp. 94-7

    A simple method to estimate volume for fetal intravascular transfusions.

    Giannina G, Moise KJ, Dorman K

    We derived a constant termed the transfusion coefficient to simplify the estimation of the fetal intravascular transfusion volume. The product of the estimated fetal weight (g) and 0.02 (transfusion coefficient), estimates the transfusion volume (ml) required to increase the fetal hematocrit by approximately 10 percentage points. Our estimation was comparable to Mandelbrot's technique and better than Plecas' method for estimating fetal transfusion volumes. Utilizing the transfusion coefficient to estimate the intravascular transfusion volume for an anemic fetus…

    0 votes
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    0 comments  ·  New Formulas  ·  Admin →
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  10. Enteral feeds goal rate with adjustment for propofol infusion

    Calculate goal rate for enteral feeds for a variety of standard tube feeds (Impact, Promote, Nephro, Oxepa) based on the patient's ideal body weight calculated from sex, height and age.

    7 votes
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  11. ASPECTS

    Radiologic score, acronym for "Alberta Stroke Program Early CT Score"

    47 votes
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  12. HBI Score

    Used in chronic inflammatory bowel disease

    8 votes
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  13. Naranjo Score

    Naranjo CA, et al. A method for estimating the probability of adverse drug reactions. Clin Pharmacol Ther 1981; 30: 239-245

    11 votes
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    1 comment  ·  New Formulas  ·  Admin →
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  14. 1 vote
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  15. 1 vote
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  16. 1 vote
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  17. 14 votes
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  18. Benzodiazepine Conversion Chart

    Similar to the opioids conversion chart

    31 votes
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  19. The 1800 rule for insulin sensitivity

    A calc where you input current and desired blood sugar, total insulin and it tells you how much more insulin you need

    Insulin sensitivity factor =1800/total insulin in day

    To apply we do this calculation:
    (Current blood sugar- target bs)/ insulin sensitivity factor

    A useful feature would also be to allow a range of 1500 to 2000 for the correction factor as a drop down menu, so I could choose the proper one according to the type of insulin

    15 votes
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  20. Gupta Perioperative Cardiac Risk Calculator

    Published in Circulation. 2011 Jul 26;124(4):381-7. Epub 2011 Jul 5.

    Is superior to Lee (Revised) Score

    Present as excel file on:

    http://www.surgicalriskcalculator.com/miorcardiacarrest

    281 votes
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