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Positioning

Review Radiographic Procedures/positions

QuestionAnswer
1.The CR is directed to what MCP joint for a PA hand? the 3rd Metacarpal Pharangeal Joint, pg 102
2.Sometimes for bone age studies a 30 degree angle to include the wrist is applied for the PA hand? true, pg 102
1.The CR is directed to what MCP joint for a PA hand? the 3rd Metacarpal Pharangeal Joint, pg 102
3.For lateral hand for foreign body what kvp is used? 10 kvp for foreign body lat hand
2.Sometimes for bone age studies a 30 degree angle to include the wrist is applied for the PA hand? true, pg 102
4.For thumb xrays it must include 3 joints? CMC, MCP, and IPJ, pg 103
3.For lateral hand for foreign body what kvp is used? 10 kvp for foreign body lat hand
4.For thumb xrays it must include 3 joints? CMC, MCP, and IPJ, pg 103
5.What is IPJ? the inter phalangeal joint, pg95
6.For the PA wrist why is it important to flex the hand? Flexion of MCP joints (hand) reduces OID of the wrist. pg 103
7.For an xray of the scaphoid bone how much of an angle is applied? A 20 degree angle toward elbow entering scaphoid or perpendicular ray to scaphoid. Show scaphoid without superimposition or foreshortening.
7.For an xray of the scaphoid bone how much of an angle is applied? A 20 degree angle toward elbow entering scaphoid or perpendicular ray to scaphoid. Show scaphoid without superimposition or foreshortening.
8.For carpal canal visualization (Gaynor-Hart Method) how much angle is applied? Hyperextend wrist w/ palm vertical if applicable and add a 25-30* angle into the long axis of the hand to see canal. pg 103
9. What is the Coyle method? Elbow flexed 80 degrees, hand pronated and angle CR 45 degrees from shoulder to elbow to visualize coronoid process. pg 105
10. What is done to visualize the radial head for an elbow? Elbow flexed 90 degrees, hand pronated, from elbow to shoulder angle CR 45 degrees. pg 105
11.A true AP humerus will show the what in profile? The AP humerus should show the greater tubercle in profile. pg 106
9. What is the Coyle method? Elbow flexed 80 degrees, hand pronated and angle CR 45 degrees from shoulder to elbow to visualize coronoid process. pg 105
10. What is done to visualize the radial head for an elbow? Elbow flexed 90 degrees, hand pronated, from elbow to shoulder angle CR 45 degrees. pg 105
11.A true AP humerus will show the what in profile? The AP humerus should show the greater tubercle in profile. pg 106
12.About how much should you roll a patient up for a true scapular Y view? Mid coronal plane about 60 degrees from IR. pg 106
14. Midscapula is about how many inches inferior to top of shoulder? 2" inferior to coracoid process is mid scapula. pg 108
13. PA axial clavicles are positioned how? Patient PA or AP, clavicles centered to IR. 15-30 degree caudad for PA; 15-30 degree cephalad for AP. pg 108
14. Midscapula is about how many inches inferior to top of shoulder? 2" inferior to coracoid process is mid scapula. pg 108
15. How is a AP foot positioned? dorsoplantar, knee flexed 45 degrees, plantar surface to IR. CR is perpendicular to 10 degrees angled to the heel or the base of the 3rd metatarsal. pg 119
16. Medial oblique foot is rotated how much? about 30 degrees medially. pg 119
17. The CR angle is the same for a toe xray as it is for a foot? True. Both are angled from perpendicular to 10 degrees as long as the CR is perpendicular to the long axis of part. pg 119
18. Xray of sesmoid bones are done how? Tangential, patient prone, foot dorsiflexed 15-20 degrees and CR perpendicular to 10 degrees caudal to IR and entering at 1st MTP joint. pg 119
19. A calcaneus is positioned how? CR 40 degrees cephalad to base of 3rd metatarsal. pg 121
20. If calcaneus is done AP or dorsiplantar, the degree of angle is the same as Plantardorsal axial? False, both projections are angled 40 degrees, but the dorsiplantar is projected caudally to the level of the base of the second metatarsal. pg 121
20. If calcaneus is done AP or dorsiplantar, the degree of angle is the same as Plantardorsal axial? False, both projections are angled 40 degrees, but the dorsiplantar is projected caudally to the level of the base of the second metatarsal. pg 121
21. To show proximal and distal tibiofibular articulations how much rotation is needed for a tib/fib? Leg extended w/ foot dorsiflexed; leg rotated 45 degrees medially or laterally. pg 123
21. To show proximal and distal tibiofibular articulations how much rotation is needed for a tib/fib? Leg extended w/ foot dorsiflexed; leg rotated 45 degrees medially or laterally. pg 123
22. Describe a lateral knee. Patient on affected side, patella perp. to table, knee flexed 2-30 degrees. CR directed 5 degree cephalad to knee. pg 124
23. for thin body=3-5 degree caudal angle. for average body= 0degree CR. For thick body=3-5 degree cephald CR. pg 124
24 Intercondylar fossa visualized. Patient PA recumbent knee flexed so tibia forms a 40 degree angle and foot rested on support. CR 40 degree caudal perp to long axis of tibia. pg 124
25 Patient AP with knee flexed 20-3- degrees resting support on IR. CR cephalad angle perp to long axis of tibia. pg 124
26. What is the Holmblad PA method? The patient is kneeling the effected knee is centered and the CR forms a 20 degree angle w/ femur. pg 124
27. what is the Settagast or "sunrise" method? Patient prone or seated on table, knee flexed at least 90 degrees, CR to mid femoropatellar joint. pg 125
28. What is the Merchant method? Demonstrated the patella and femoropatella joint and requires special equipment. Relax quad muscles, knee flexed 45 degrees, CR 30 degrees caudal, and 6 foot SID to reduce magnification. pg 125
29 Patient supine, unaffected leg elevated; leg rotated internally 15 degrees if applicable; grid to thigh to femoral neck. pg 126
30. What is the Judet method? Patient semisupine recumbent, 45 degree angle post oblique. If affected side down CR perp2" medial and distal to down side ASIS. pg 126
Created by: maesparza