How to Think Like a Doctor: Chief Complaint, Differential Diagnosis, and Pathophysiology Explained

I teach students how to learn medicine. For more information, visit http://drphiliptisdall.com Clinical Pathophysiology (Edition 2) is now available for purchase! http://drphiliptisdall.com/textbook I’m building a growing community of medical students learning how to think like doctors instead of just memorizing facts. Subscribe for weekly lessons in clinical reasoning, pathophysiology, and exam-ready logic for USMLE Step 1 & COMLEX Level 1. In this episode, I explain how every patient encounter begins with a chief complaint and develops into a differential diagnosis, grounded in a clear understanding of pathophysiology. Using edema as a case study, I’ll show you how Starling’s forces and systemic reasoning connect heart, liver, and kidney disease into one coherent clinical story. Follow me for more: Instagram →   / drphiliptisdall   Facebook →   / drphiliptisdall   TikTok →   / drphiliptisdall   Chapters: 00:00 – Learning medicine’s two core ideas 00:46 – The “shotgun” mistake in differentials 02:05 – Every clinical vignette tells a story 03:22 – Defining the chief complaint 06:00 – Presentation, pathophysiology & natural history 08:00 – Risk factors vs pathophysiology 10:35 – Example: Edema & Starling’s forces explained #ClinicalReasoning #Pathophysiology #MedicalEducation #USMLEStep1 #COMLEXLevel1 #DifferentialDiagnosis #DrPhilipTisdall #MedicalSchoolCompanion