M. Canfield Willis - Medical Terminology CH.10 Diagnostic Tests & Procedures continued, Set 12
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Created by:
JillSuzanne on February 9, 2012
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Marjorie Canfield Willis- Medical terminology
Chapter 10 - Nervous System
DIAGNOSTIC TESTS & PROCEDURES continued
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9 terms
Terms | Definitions |
|---|---|
 positron emission tomography (PET) | technique combining nuclear medicine & CT technology to produce images of brain anatomy & corresponding physiology - used to study stroke, Alzheimer, epilepsy, metabolic brain disorders, chemistry of nerve transmission in the brain; provides more accuracy than SPECT & is used less often due to cost & limited availability of the radioisotopes |
| radiography | x-ray imaging |
| cerebral angiogram | x-ray of blood vessels in the brain after intracarotid injection of contrast medium |
| computed tomography (of the head) | computed tomographic x-ray images of the head used to visualize abnormalities within (ex. brain tumors, malformations) |
| myelogram | x-ray of the spinal cord made after intraspinal injection of contrast medium |
| reflex testing | tests performed to observe the body's response to a stimulus |
| deep tendon reflexes (DTR) | involuntary muscle contraction after percussion at a tendon indicating function; positive findings are noted when there is no reflex response or an exaggerated response to stimulus; #'s are used to record responses 1+diminished, 2+normal, 3+more brisk than average, 4+ hyperactive |
| Babinski sign or reflex | pathological response to stimulation of the plantar surface of the foot; a positive sign is indicated when the toes dorsiflex. |
| transcranial sonogram | image made by sending ultrasound beams through the skull to assess blood flow in intracranial vessels - used in diagnosis & management of stroke & head trauma |
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