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General Positioning

QuestionAnswer
For joint radiography, the CR must pass through the joint. Why? to visualize the joint, open
Which projections would visualize medial or lateral displacement of a fracture? AP/PA
When a patient is instructed to lay supine on the radiographic table for a Bucky exam, what is the very first step to positioning the patient? Align the long axis of the patient with the long axis of the table/IR.
Describe general guidelines for correct marker placement. - Place on lateral side of collimation for tabletop exams. - Place at narrowest part of the anatomy. (Why?) - For Bucky exams, place about 1" from edges of IR.
What is the difference between the terms POSITION and PROJECTION? POSITION = the actual position of the patient's body. PROJECTION = the path of the CR
Grids are used for body parts measuring over _____cm. Ten
Name three clinical indications that apply to radiography of the extremities.
1. Fractures 2. Dislocations 3. Pathology
The correct SID for extremity radiography is... 40" or 102 cm
State the equivalent metric measurements for IR sizes 14" x 17" and 10" x 12". 35cm x 43cm = 14" x 17" and 24cm x 30cm = 10" x 12"
One inch = _______ centimeters. One inch = 2.54 centimeters
How are the names of body positions determined? The position is named for the aspect/surface closest to the Bucky.
What does the term DECUBITUS mean? A horizontal x-ray beam must be used.
Created by: HRRITCHEY