Why X-ray, CT, Ultrasound, MRI & PET Imaging Work

This discussion introduces the core physical principles behind the five major imaging modalities in clinical medicine -- X-ray, CT, ultrasound, MR, and PET -- and explains how those principles shape their diagnostic strengths and limitations. Download PDF: https://drive.google.com/file/d/1jwct... 00:00 - Introduction 00:20 - X-Ray 03:56 - CT 06:28 - Ultrasound 10:24 - MRI 16:15 - PET 21:30 - Relative Costs