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My favorite resources

for internal medicine wards

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Source: Northwestern Feinberg School of Medicine

Potassium

Magnesium

Source: University of Arizona College of Medicine -- Phoenix

Calcium

Phosphorus

Source: Massachusetts General Hospital, Harvard Medical School

2025 - 2026

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I most often use this resource for the following clinical situations:

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  1. Sodium disorders

    • Free Water Deficit in Hypernatremia

      • calculates free water deficit by estimated total body water in a patient with hypernatremia or dehydration.

    • Sodium Correction Rate in Hyponatremia and Hypernatremia

      • Calculates recommended IV fluid type, rate, and volume to correct hyponatremia or hypernatremia at desired rate depending on clinical scenario.

  2. Goals of Care

    • GO Far Score

      • Good Outcome Following Attempted Resuscitation Score

      • Predicts survival to discharge with good outcome after in-hospital cardiac arrest.

      • provides objective data to guide decision-making regarding code status​ based on individual patient risk factors

  3. Opioid use

    • Opiate Conversion Calculator

      • Converts between different types and routes of opiates.

    • Morphine Milligram Equivalents (MME) Calculator

      • Calculates total daily morphine milligram equivalents.

  4. Afib

    • CHADS-VASC -- Guides anticoagulation management​ by estimating stroke risk

  5. PE/DVT

    • Well's score​ -- Calculates risk of PE/DVT​

  6. Infection

    • SIRS/Sepsis/Septic Shock criteria​

  7. DVT Prophylaxis -- PADUA score​

    • ​PADUA score -- determines anticoagulation need in hospitalized patients by risk of VTE.

  8. Cirrhosis

    • ​MELD -- Quantifies end-stage liver disease for transplant planning in addition to offering objectivity to guide goals of care discussions in patients

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  • Point-of-care ultrasound tool

  • Walks you through many ultrasound views with step-by-step instructions on how to obtain them and detailed imagery of what you should see

  • Not the smoothest app, wildly helpful regardless

  • I believe I paid $10 for this app, well-worth it! 

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- Evidence-based  wikipedia of medicine

- Create a free account through your institution

- Alternative resource is DynaMed

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