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12 Cards in this Set
- Front
- Back
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explain why a patient should be positioned in the PA projection for a clavicle
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to place the clavicle closer to the IR
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explain when a patient should not be positioned in a PA projection of the clavicle
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if the patient cannot stand
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explain how and where the CR is directed for an AP and PA axial projection of the clavicle
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AP axial-directed to enter the mid shaft of the clavicle 0-15cephalad for standing lordoticand 15 to 30 cephalad for the supine.
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describe the position for an AP axial projection of the clavicle
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lordotic-the patient leads backward in a position of extreme lordosis and rest the neck and shoulder against the vertical grid device. the neck will be in extreme flexion
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describe the difference between the Pearson and Alexander methods.
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Pearson - 72" SID, CR perp, demonstrates dislocation, separation, and function of the joints.
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explain why you should avoid having the patient hold weights in each hand
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because this tends to make the shoulder muscles contract thus reducing the possibility of demonstrating a small AC separation
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explain why both sides are x-rayed for AC joints
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for comparison
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explain the importance of abduction of the arm to a right angle to the body when doing and AP projection of the scapula
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to move the scapula away from the ribs
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explain why quiet breathing should be done during the exposure for an AP projection of the scapula
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to obliterate lung detail
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describe the lateral projection for a scapula
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45 to 60 degree rotation from the plane of the IR
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describe the direct lateral projection for the scapula with the patient supine
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draw the arm across the chest, and adjust the body rotation to place the scapula perpendicular to the plane of the IR
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describe the differences between the Lorenz and Lilienfeld methods
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Lorenz - the arm of the affected side is as a right angle to the long axis of the body with the elbow flexed, rest the hand against the patients head
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