Post-Hip-Replacement Day 1 — 68-day-old, HR 118 BP 96/64 O2 88%

About This Case

This clinical reasoning case presents a patient with 68yo post-hip-replacement day 1 / hr 118 bp 96/64 o2 88% / right leg more swollen / on enoxaparin / pain controlled on pca in a cardiovascular context. Learners work through a structured 10-phase simulation covering initial differential, history-taking, physical examination, labs and imaging, and management planning.

"He had 4 pre-operative dental extractions for clearance 3 weeks ago. RN called because he 'looks terrible.' He is on enoxaparin since the procedure. What is your leading diagnosis, what do you order in the next 5 minutes — and is the dental history relevant to this presentation?"

How the Simulation Works

1. Read the patient presentation and form your initial differential diagnosis
2. Interview the AI patient to gather history and explore your hypotheses
3. Perform a focused physical examination based on your differential
4. Order appropriate labs and imaging, then interpret the results
5. Revise your diagnosis and develop a management plan
6. Receive personalized teaching feedback from your AI attending, Dr. Patel

What You'll Learn

This case builds skills in systematic clinical reasoning, hypothesis-driven history-taking, appropriate test ordering, and evidence-based management. It is designed for Medicine students and practicing clinicians seeking to sharpen diagnostic thinking in cardiovascular.

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About ReasonDx

ReasonDx is an AI-powered clinical reasoning education platform developed by Dr. Lauren Fine, MD, FAAAAI, Associate Professor and Assistant Dean of Clinical Skills Education at NSU Dr. Kiran C. Patel College of Allopathic Medicine. The platform features 394 simulation cases across 10 health professions, designed to train the cognitive processes underlying accurate diagnosis.