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FavoritesSpecialtiesDrugsGuidelinesMost Used
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ABCD2 ScoreACR CriteriaCorrected SodiumFENaHEART ScoreLights CriteriaNEWS2NRS-2002Osmolality GapRCRI (Lee Score)TTKG
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Clinical Notice:OpiCalc is not a substitute for professional clinical judgment. Always verify dosages and guidelines.

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Specialty Module

Internal Medicine

The foundational suite of clinical calculators and risk scores for adult medicine.

Toolkit

Clinical Calculators

Peer-Reviewed
ABCD2 Score
ACR Criteria
Corrected Sodium
FENa
HEART Score
Lights Criteria
NEWS2
NRS-2002
Osmolality Gap
RCRI (Lee Score)
TTKG

About

Internal Medicine

Our Internal Medicine directory is the core of OpiCalc, centralizing the most frequently used scores in hospital and clinic medicine, from RCRI for preoperative risk to NEWS2 for inpatient monitoring.

Covered Areas

  • Hospital Medicine Risk Scores
  • Preoperative Medical Evaluation
  • Electrolyte & Acid-Base Balance
  • Chronic Disease Stratification

All tools are based on published clinical evidence. Results should be interpreted alongside individual patient presentation and current institutional guidelines.