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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
No sign-in required. Full cases, scoring, and debrief — jump in from any device.
You are the ER doctor evaluating a 54-year-old man with chest pain that started 30 minutes ago while walking up stairs.
A 42-year-old woman presents with a sudden, severe headache that started one hour ago.
A 60-year-old man presents with sudden onset shortness of breath.
A 19-year-old college student presents with abdominal pain.
A 70-year-old woman presents with fever and acute confusion.
Work through presentations that feel like the clinic — history, exam, data, then your call.
Get a debrief tied to what you asked, ordered, and concluded — not a generic quiz score.
See completed runs and scores on your dashboard so you know where to drill next.
Ask about symptoms and context.
Open each system and read findings.
Order what you need to narrow the list.
Build a differential and pick one.
See strengths, gaps, and teaching points.
Built for high school and pre-med learners exploring medicine through immersive simulations — and anyone curious how workups are sequenced.
See how an encounter is structured before you shadow or rotate.
Drill questions, data interpretation, and committing to a diagnosis under a little time pressure.
Testimonials
“Medcess creates an environment where students have to think their way through clinical cases and develop critical-thinking skills. I can see it being especially valuable in Anatomy & Physiology, helping students understand why patients present with certain signs and symptoms, why specific tests are positive, and how concepts learned in class connect to real clinical situations. It is a great way for students to put all the pieces together.”
“Came across this website. looks good. Hope it is free. Forwarding to my son he is interested in Medicine. This gives a good exposure to see how medical cases work.”