ReasonDx · Clinical Reasoning Platform

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394 cases across all specialties. Pick one and start.

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New to ReasonDx? Try one of these recommended cases to get started:

⏱️ 5-7 minutes

Migraine
A common presentation with a clear differential — perfect for your first case

Medium Challenge

⏱️ 10-12 minutes

Chest Pain
Chest pain with a twist — practice distinguishing pericarditis from ACS

⏱️ 15-20 minutes

Sudden Shortness of Breath
High-stakes respiratory emergency — time-sensitive diagnosis required

Or browse all 394 cases below by specialty, difficulty, or search

Daily Puzzle → 🤝 IPE