Formula Suggestions
Let us know which new formula you would like to see included in MedCalc or how we can enhance existing formulas.
242 results found
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52 votes
Silverman-Anderson is included in MedCalX 3.1.1
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BUN to Urea conversion
To convert from mg/dL of blood urea nitrogen to mmol/L of urea, multiply by 0.357 (each molecule of urea having 2 nitrogens, each of molar mass 14g/mol)
Urea [mmol/L] = BUN [mg/dL of nitrogen] x 10 [dL/L] / 14x2 [mg N/mmol urea]
convert BUN to urea in mg/dL by using following formula:
Urea [mg/dL]= BUN [mg/dL] * 2.14
(conversion factor derived by: MW of urea = 60, MW of urea nitrogen = 14x2 => 60/28 = 2.14)
factor = 2 for conversions in mmol (2 moles N per mole of urea):
BUN [mmol/L]= 2x urea [mmol/L]
Source: http://en.wikipedia.org/wiki/Blood_urea_nitrogen53 votesBUN ⟷ Urea conversion has been added to MedCalX version 3.2
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PECARN
Pead clinically applied research network tool for assessing need for ct head.
52 votesIncluded in 3.0.2
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Sepsis-3 and qSOFA
Updated Sepsis definitions:
http://jama.jamanetwork.com/article.aspx?articleid=2492875
http://jama.jamanetwork.com/article.aspx?articleid=249287651 votesqSofa and new sepsis criteria are included in MedCalX 3.1.1
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44 votes
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36 votes
Included in MedCalc 3!
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DAPT-Score
Eine längere als 12-monatige duale Plättchenhemmung nach perkutaner Koronarintervention beugt Herzinfarkten vor, erhöht aber zugleich das Blutungsrisiko. Ein neu entwickelter klinischer Risikoscore – der DAPT-Score – soll bei der individualisierten Entscheidung helfen, welcher Patienten von dieser Therapie profitiert und welcher nicht.
39 votesDAPT has been added to MedCalX version 3.2
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Framingham CVD risk 2002 (ATPIII)
Reference implementation: http://hp2010.nhlbihin.net/atpiii/calculator.asp
31 votesIncluded in 2.7!
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Integrate with Read by QxMD
Provide full text access to articles in your references (not just PubMed abstracts) by integrating with the app "Read: Personalized Medical Journal" (http://qx.md/read).
Instructions: http://www.qxmd.com/read-by-qxmd-opens-up-to-3rd-party-integration
In brief, for each reference, create a link to:
http://qxmd.com/r/[PMID]remembering to replace [PMID] with the PubMed ID of the article of interest.
30 votesIncluded in 2.7!
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LRINEC score!
I would love, love, love a LRINEC score for necrotizing fasciitis calculator on the app! It's a great tool, my surgeons always ask me for it, and the darn study is in SI units so I always is a PITA to calculate! Plus, I've scoured the Internet and I can't seem to find one anywhere.
30 votesIncluded in 2.7!
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19 votes
Updated in MedCalX 3.1.1: you can now specify ultrasound-determined age and the date the US was performed
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Mifflin-St Jeor equation
Diabetes Care
19 votesIncluded in MedCalc 3!
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Euroscore II calculator
Important: The previous additive 1 and logistic 2 EuroSCORE models are out of date. A new model has been prepared from fresh data and is launched at the 2011 EACTS meeting in Lisbon. The model is called EuroSCORE II. See http://www.euroscore.org/
20 votesIncluded in MedCalc 3!
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16 votes
The pooled cohort risk assessment is included in MedCalX v3.1 and newer under the name “Cardiovascular Risk (ACC/AHA)”
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13 votes
Also known as Karnofsky, is in 2.5
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Balthazar CT severity index
I think you should add the Balthazar CT severity index for pancreatitis. I am a Surgical ICU director, and I would use this all the time.
Balthazar EJ. Acute pancreatitis: value of CT in establishing prognosis.
Radiology 1990; 174:331-6.Step 1:
Amount of pancreatic edema is estimated
A normal
B diffuse enlargement of the pancreas without peripancreatic inflammatory changes
C enlarged pancreas with haziness and increased density of peripancreatic fat
D enlarged body and tail of pancreas with fluid collection in peripancreatic spaces
E extensive fluid collections in lesser sac and anterior pararenal spaceThen each grade is given a…
11 votesIncluded in 2.7!
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iPhone X support
iPhone X support
11 votesiPhone X is now fully supported with version 3.3.2
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Osmolality
2xNa+BZ+Hst
11 votesThis is already part of the “Osmolal Gap (Plasma)” formula
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10 votes
Two ways:
• Change the OS language to Spanish
• Go to the “Settings” App, scroll down to MedCalc and change the language to Español -
GOUT: Monoarticular Arthritis: Which Patients to Treat for Gout?
http://www.umcn.nl/goutcalc
Janssens HJEM et al. A diagnostic rule for acute gouty arthritis in primary care without joint fluid analysis. Arch Intern Med 2010 Jul 12; 170:11208 votes
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