Medical Imaging Technology

“Brainstorm” different types

X-Ray

• Most common for of medical imaging • High energy radiation that can penetrate

human tissue but not metal or bone • Can check for cancer or broken bones Fluoroscopy – continuous beam of X-rays that show movement of organs Radiotherapy – Used to treat cancer by damaging the DNA or cancer cells

http://www.youtube.com/watch?v=umnnA50IDIY

Ultra Sound

• Used high-frequency sound waves to produce image of body tissue and organs

• Sound ways enter the body and are reflected back

• Used during pregnancy and to diagnose heart problems

Computer Tomography (CT)

• Uses X-ray equipment to form a 3-dimensional image by using images taken from several angles of the body

• Can be used to image bone, soft tissues and blood vessels at the same time

Magnetic Resonance Imaging (MRI)

• Uses magnets and radio waves to produce images

• Useful in imaging structure and function of the brain, heart and life, soft tissue and inside bone

• Used to diagnose cancer, brain disease, and cardiovascular conditions

http://videos.howstuffworks.com/tlc/29321-understanding-brain-mri-video.htmhttp://videos.howstuffworks.com/tlc/29323-tlc-a-study-of-the-teenage-brain-video.htm

• 3.1 Questions – #1-7, 9,