Formula Suggestions
Let us know which new formula you would like to see included in MedCalc or how we can enhance existing formulas.
4962 results found
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32 votes
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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 -
Criterio fine neumonía (FINE scale)
Escala de riesgo en neumonías adquiridas en la comunidad.
32 votes -
NHFS (Nottingham Hip Fracture Score)
Predicts 30-day mortality after hip fracture repair. [doi:10.1093/bja/aes187]
32 votes -
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 -
Please add Opioid Risk Tool (ORT)
Please add Opioid Risk Tool (ORT)
32 votes -
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 -
Benzodiazepine Conversion Chart
Similar to the opioids conversion chart
31 votes -
MAGGIC
Heart failure risk score
31 votes -
31 votes
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30 votes
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Gent & vanc dosing and monitoring
I would most welcome calculator for dosing gentamicin & vancomycin. Moreover, adjusting dose for levels.
30 votesFor the time being, we are unable to add dose calculators: http://medcalx.ch/dosegate.html
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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):115-119.30 votes -
Tokyo Guidelines (TG13)
Acute cholangitis, cholecystitis.
29 votes -
29 votes
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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 2.027 votes -
27 votes
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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 -
26 votes
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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
27 votes
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