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Forearm/Elbow

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Created by: yt88

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Radiographic Positioning Quizzes

Term	Definition
What are the two routine projections for the Forearm series?	AP projection Lateral (lateromedial) projection
AP projection Collimation? patient positioning? IR placement? Central Ray? Shield	14x17 Seated in a position to place the entire limb in one plane Supinate the hand and extend elbow onto IR so that the long axis of IR is parallel with the forearm CR is perpendicular to the midpoint of the forearm Shield is required
Lateral (lateromedial) projection Collimation? patient positioning? IR placement? Central Ray? Shield	14x17 Seated in a position to place the entire limb in one plane Flex elbow 90 degrees, center forearm on IR and parallel with the long axis of the forearm CR is perpendicular to the midpoint of the forearm Shield is required
What are the three routine projections for the Elbow series?	AP projection Lateral (lateromedial) projection AP Oblique (lateral position) projection
AP projection Collimation? patient positioning? IR placement? Central Ray? Shield	10x12 Seated in a position to place the entire limb in one plane Extend elbow and supinate the hand. Center IR to the elbow joint. CR perpendicular to the elbow joint Shield is required
Lateral (lateromedial) projection Collimation? patient positioning? IR placement? Central Ray? Shield	10x12 Seated at end of table so the humerus and elbow joint are in the same plane Center the IR to the Elbow joint CR perpendicular to the elbow joint Shield is required
AP Oblique (Lateral position) projection Collimation? patient positioning? IR placement? Central Ray? Shield	10x12 Seated at the end of the table with arm extended Center the midpoint of the IR to the elbow joint CR perpendicular to the elbow joint Shield is required
For the AP projection of the forearm, how should the elbow be positioned?	Fully extended
If the hand is pronated for the AP projection of the forearm, what will the image demonstrate?	Radius and Ulna crossed over each other
For the lateral projection of the forearm, how should the elbow be positioned?	Flexed 90 degrees
True or False. The hand should be pronated for the lateral projection.	False
For the AP projection of the elbow, why should the hand be positioned with the palm facing up?	To prevent rotation of the bones of the forearm
For the lateral projection of the elbow, how should the hand be adjusted?	Lateral with the thumb side up
How many degrees of flexion of the elbow are necessary for the lateral projection?	90 degrees
How should the humeral epicondyles appear in the image of the lateral projection of the elbow?	Superimposed
Which AP oblique projection positioning movement (medial rotation or lateral rotation) requires the hand to be pronated?	Medial rotation