Mediquations Blog

Happy [early] New Year!  I hope everyone has a great 2009.  As a student from UTMB in Galveston, I am looking forward to the new year as it’s a chance to put Hurricane Ike into our rear view mirror.  I can’t believe one storm could make such an impact on an institution.

I apologize for not posting updates on this blog.  There have been three updates since the last blog entry.  Here’s what’s new:

Version 11

· [NEW] 10 new equations!
· Ballard-Dubowitz Scale for Maturity
· Hamilton Depression Scale
· HbA1C to Average Blood Sugar Conversion
· Kleihauer-Betke Fetal-Maternal Hemorrhage Estimation
· Long’s Modification for Harris-Benedict Basal Energy Expenditure
· Pediatric Glasgow Coma Scale
· POSSUM Score
· Ramsay Sedation Scale
· Rapid Shallow Breathing Index (RSBI)
· Umbilical Catheter Insertion Depth for Low Insertions
· Enhancement: Integrated Ideal Body Weight into BMI formula
· Changed: Fixed a typo where Harris Benedict was spelled as “Harry Benedict”

Version 12

· [NEW] 9 new equations!
· Blatchford Score (for UGI bleeds)
· Injury Severity Score
· Interval calculator (time between two dates or times)
· King’s College Criteria (O’Grady) for Fulminant Hepatic Failure
· Lovenox/Enoxaparin Dosing
· New Injury Severity Score
· Normal Lab Values
· Post-Test Probability (Fagan’s Nomogram)
· Pulmonary Embolism Risk by Pisa study with Chest X-Ray
· Enhancement: Ideal weight range (BMI 18.5 – 25) now shown in BMI equation
· Enhancement: Stool osmotic gap: noted that stool osmolality is usually 290 mOsm/kg
· Enhancement: Parkland formula: calculates fluid remaining to be given in the first 8 hours given time since burn and fluid given since burn.
· Enhancement: Added dysarthria words and and language questions to NIH Stroke Scale
· Enhancement: Rockall score: added pre-endoscopy score and pre-endoscopy mortality risk
· Enhancement: Weight and height substituted for BSA for ‘Dose: Correct BSA’ and ‘Liquid Dose: Correct BSA’

Version 13

· [NEW] 7 new equations!
· Adjusted Body Weight (added to BMI calculator)
· CSF WBC Correction for Traumatic Lumbar Puncture
· Geriatric Depression Score (15-point)
· Glasgow Pancreatitis Criteria
· Heart Failure Survival Score (HFSS)
· Hunt-Hess Classification for Sub-arachnoid Hemorrhage
· San Francisco Syncope Rule
· Enhancement: Added AFP to ‘Electrolyte Units Conversion’
· Enhancement: Added INR in addition to PT to ‘King’s College Criteria’

Here’s what’s new:

· [NEW] 10 new equations!
· BODE Index
· Braden Pressure Sore Scale
· DAS: 3 & 4 Variables
· DAS-CRP: 3 & 4 Variables
· DAS28: 3 & 4 Variables
· DAS28-CRP: 3 & 4 Variables
· Six Minute Walk Test
· Spirometric Values (ERS and Crapo)
· Strong Ion Gap (SIG)
· UKELD Score
· Enhancement: Added descriptions to Berg Balance Scale (sorry about that, Melbaround).
· Enhancement: Added survival percentage to Revised Trauma Score.
· Enhancement: Added stones <-> kilograms conversion to weight unit conversion.
· Changed: Fixed bug when emailing results with Mini-Mental Status Exam (MMSE).
· Changed: Fixed a bug in MELD score with UNOS modification.
· Changed: Fixed a bug with Coded Revised Trauma Score.

This is Mediquations’ 10th release, and boy, has it come a long way! The initial release of Mediquations came with 40 equations.  Now, Mediquations has 140 equations, and I’m adding more weekly based on customer input.  Please feel free to email me through our support page if you have any equations to suggest.

Also, if you enjoy Mediquations, please think about writing a review on the App Store!

Here’s what’s new in Version 9:

· [NEW] 9 new equations!
· Charlson Comorbidity Index
· Crohn’s Disease Activity Index (CDAI)
· Duke Criteria for Infectious Endocarditis
· Duke Treadmill Score
· Electrolytes/Labs Units Conversion
· Epworth Sleepiness Scale
· Glasgow Alcoholic Hepatitis Score (GAHS)
· GRACE Risk Score
· Rockall Score for Upper GI Bleeding
· Changed: Fixed a problem with the ABCD2 score
· Changed: Updated risk criteria for Ranson score
· Changed: Added kPa units into ABG calculation
· Changed: Added transdermal fentanyl into opioid conversion calculator
· Changed: Swiched calcium from mEq/L to mg/dL in FECa calculation

I  forgot to mention this, but Version 8 was put up on the App Store last week.  Here are the changes:

· [NEW] 11 new equations!
· Canadian CT Head Scan
· Canadian CT Spine
· ECOG Performance Status
· Effective Regurgitant Orifice Area by PISA
· Karnofsky Performance Scale (KPS)
· Mitral valve area by pressure half time
· NEXUS II for Head Injury
· Regurgitant volume by PISA
· Simplified Bernoulli
· Valve area by PISA
· Valve area by PISA with funnel angle correction
· Changed: Added PaO2 / FiO2 as a result in the A-a Gradient formula
· Changed: Weight Unit Conversion: kg are now converted to “Pounds, Ounces” as well

Enjoy the new features, including the new table index, which makes navigating the equations list much faster.

Here’s what’s new in Version 7:

· [NEW] Table index for equations list makes it easier to access an equation.
· [NEW] 6 new equations!
· Acid-Base Compensation (ABG)
· EuroSCORE for Cardiac Surgery Risk
· Goldman Criteria for General Surgery
· NEXUS
· SAPS II Score
· Well’s Criteria for DVT
· Changed: Added ‘day of life’ result to Age equation.
· Changed: Added pictures for NIHSS directly to the more info page.
· Changed: Added modifying factors for Bishop Score
· Changed: ‘Weeks pregnant’ now expressed in weeks, days

Enjoy!  Make sure you try out the new result email feature.

Changes:
· [NEW] Email results for every equation!
· [NEW] 10 new equations!
· BERG Balance Scale
· Carboplatin Dose with Wright GFR
· Cardiac Output (echo)
· Endotracheal Tube Size for Pediatric Patients
· MELD Score with UNOS Modification
· Salazar-Corcoran CrCl for obese patients
· Strong Ion Difference (SID)
· Target Tidal Volume based on 6-8 mL/kg of Ideal Body Weight
· Tylenol Toxicity Nomogram with White Prediction
· Wright GFR
· Changed: Fixed some minor bugs.

Mediquations hit a major milestone marker today.  I have sold over 6,000 copies!  Never in my wildest dreams did I ever imagine Mediquations being so successful.

Thank you to everyone who has supported this applications and my medical school career!  Also, I want to thank everyone who has emailed me with grateful words, helpful suggestions, and great reviews.  Without your support, Mediquations would not be the excellent application that it is.

Thanks!

Zack Mahdavi
Developer & Designer of Mediquations

Yup, it’s now on the App Store! Here’s what’s new:

- [NEW] 13 new equations!
- ABCD Score for TIA
- ABCD2 Score for TIA
- Bishop score for labor induction
- Delta-Delta
- Dose Calculator (Corrected for BSA, Calvert, or Weight)
- Glucose Infusion Rate (GIR)
- Iron Deficit
- IV Infusion Rate
- Liquid Dose Calculator (Corrected for BSA, Calvert, or Weight)
- NIH Stroke Scale
- Ottawa Ankle and Knee Rules
- SOFA score
- Urinary Anion Gap
- [CHANGED] Fixed bugs related to Oxygen Index, Anion Gap, and Child-Pugh Score
- [CHANGED] Added bpm/msec/boxes support for heart rate variable in QTc equation
- [CHANGED] Added Hb variable to Cardiac Output Fix equation
- [CHANGED] Changed version numbers to a single digit system

Just an FYI.  Version 1.0.4 is now on the app store! Make sure to keep checking the app store for updates to ensure you have the latest release of Mediquations.

• NEW: New setting allows you to start up with Favorites displayed.
• NEW: 6 new equations!
  • Alvarado Score
  • Body Surface Area: Dubois Formula
  • Change in Serum Sodium
  • Kt/V and Urea Reduction Rate
  • Pediatric Dosing Calculator
  • PERC Rule (Pulmonary Embolism Rule-out Criteria)
• CHANGED: Added face dermatomes to dermatome equation.
• CHANGED: Weeks pregnant in pregnancy calculator now uses LMP rather than conception date.
• CHANGED: Added methadone warning in Opioid conversion.
• CHANGED: Other minor bug fixes.

Mediquations version 1.0.3 is now available on the App Store! Now you can set US or SI units for specific variables on the fly, making it much easier for international users to enjoy Mediquations.

See this post for all the changes in version 1.0.3.