Clinical reasoning simulations
Medcess helps students practice clinical reasoning through interactive virtual patient cases.
Interview patients, order tests, analyze symptoms, and build diagnoses in realistic medical simulations.
Featured — play free
Five starter cases
No sign-in required. Full cases, scoring, and debrief — jump in from any device.
- Chest Pain in the ERGuest
You are the ER doctor evaluating a 54-year-old man with chest pain that started 30 minutes ago while walking up stairs.
- Sudden Severe HeadacheGuest
A 42-year-old woman presents with a sudden, severe headache that started one hour ago.
- Acute Shortness of BreathGuest
A 60-year-old man presents with sudden onset shortness of breath.
- Right Lower Quadrant Abdominal PainGuest
A 19-year-old college student presents with abdominal pain.
- Fever and ConfusionGuest
A 70-year-old woman presents with fever and acute confusion.
Why Medcess
Realistic Virtual Patients
Work through presentations that feel like the clinic — history, exam, data, then your call.
Instant Feedback & Scoring
Get a debrief tied to what you asked, ordered, and concluded — not a generic quiz score.
Track Your Progress
See completed runs and scores on your dashboard so you know where to drill next.
How a case flows
Interview
Ask about symptoms and context.
Exam
Open each system and read findings.
Tests
Order what you need to narrow the list.
Diagnosis
Build a differential and pick one.
Debrief
See strengths, gaps, and teaching points.
Who it's for
Built for high school and pre-med learners exploring medicine through immersive simulations — and anyone curious how workups are sequenced.
Orientation
See how an encounter is structured before you shadow or rotate.
Reps
Drill questions, data interpretation, and committing to a diagnosis under a little time pressure.