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Roentgen Rays
- X-Rays
- High energy electromagnetic radiation produced by the collision of electrons with a metal target in x-ray tube
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Bone Studies
- Do not require preparation
- Tumors, fractures, disorders, diseases, chest x-rays
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Theraputic Radiation
Used in treatment of cancer
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Chest X-Ray Positions
- 1. Postereoanterior (PA) - from posterior to anterior (face wall)
- 2. Anteroposterior (AP) - from anterior to posterior (face x-ray)
- 3. Lateral (Lat) - arms over head, shoulder to wall
- 4. Left Posterior Oblique (LPO) - left elbow up, left hand on neck, 45deg back to wall, left side closest to wall
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Upper GI Series (Barium Swallow)
- Must drink contrast medium during exam, radiologist observes flow directly with fluoroscope
- Observes esophagus, stomach, duodenum, small intestine
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Lower GI Series (Barium Enema)
Enema with air contrast and barium will distend the colon to make structures more visible
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Intravenous Pyelogram (IVP)
- IV of iodine - contrast medium to define urinary system
- Must verify no allergies to iodine
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Retrograde Pyelogram
- Study urinary tract by inserting sterile catheter into meatus, through bladder and up into kidneys
- Radiopaque flows up into kidneys
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Kidneys, Ureters, Bladder (KUB)
- X-Ray of abdomen - Flat Plate of Abdomen
- Disease and Disorders
- Used to find position of IUD
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Mammography
- Aids in detection of breast cancer
- Omit caffeine
- Compression of breast requires less radiation
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Radiolucent
See through (lungs) - Transparent
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Radiopaque
- Solid (bone)
- Take medium to make solid for viewing
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Body Scans
- Computer Transaxial Tomography (CAT, CT)
- Single tissue planes slices 1cm thick
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CAT Scan Sagittal
Slices from head to toe
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CAT Scan Transverse
Slices across body
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CAT Scan Coronal
Slices from front to back
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