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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-mrivideo.htm http://videos.howstuffworks.com/tlc/29323-tlc-a-study-of-the-teenage-brainvideo.htm • 3.1 Questions – #1-7, 9,
