Radiology in Motion

Transcript:

When the U.S. Navy was using sonar to hunt for submarines in World War II, nobody guessed that someday this same technology would be used by radiologists as a diagnostic and therapeutic medical tool. (Well, actually I guessed, but forgot to write it down and now no one believes me.)

Ultrasound uses the same principle as sonar, bouncing sound waves off objects in the body. The sound waves bounce back from boundaries between different tissues, like water and fat, or fat and muscle.