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Radiologic Positioning I > Rad Positioning - Humerus & Shoulder Full Deck > Flashcards

Rad Positioning - Humerus & Shoulder Full Deck Flashcards

1
Q

2 Parts of shoulder girdle

A

Clavicle
Scapula

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2
Q

3 Joints of shoulder girdle

A

Sternoclavicular joint
Acromioclavicular joint
Scapulohumeral joint

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3
Q

Intertubecular groove

A

Groove between greater tubercle and lesser tubercle

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4
Q

Intertubecular groove is a.k.a. ____

A

Bicipital groove

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5
Q

Glenoid cavity

A

Cavity between humeral head and scapular neck

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6
Q

Acromial extremity (end)

A

Lateral end of clavicle

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7
Q

Sternal extremity (end)

A

Medial end of clavicle

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8
Q

3 Borders of scapula

A

Superior
Medial (vertebral)
Lateral (axillary)

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9
Q

Scapulohumeral joint is a.k.a. ____

A

Glenohumeral joint

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10
Q

Glenohumeral joint is a.k.a. ____

A

Scapulohumeral joint

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11
Q

Type of joint - Scapulohumeral

A

Spheroidal (ball & socket)

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12
Q

Type of joint - Sternoclavicular

A

Plane (gliding)

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13
Q

Type of joint - Acromioclavicular

A

Plane (gliding)

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14
Q

Another term for mid area of costal surface of scapula?

A

Subscapular fossa

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15
Q

AP Proximal Humerus (external rotation) - Epicondyles parallel or perpendicular to IR?

A

Parallel

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16
Q

Lateral Proximal Humerus (internal rotation) - Epicondyles parallel or perpendicular to IR?

A

Perpendicular

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17
Q

Oblique Proximal Humerus (neutral rotation) - Epicondyles to IR?

A

45 degrees oblique

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18
Q

CR location of AP Humerus

A

Midhumerus

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19
Q

CR location for Lateral humerus

A

Midhumerus

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20
Q

AP Humerus criteria

A

Entire humerus
Greater tubercle in profile
Medial & lateral epicondyles in profile

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21
Q

Lateral Humerus criteria

A

Entire humerus
Lesser tubercle in profile
Epicondyles superimposed

22
Q

Shoulder girdle - kVp technique

A

Analog 70-75 kVp
Digital 75-85 kVp

23
Q

4 Common shoulder pathologies

A

-AC joint separation/dislocation
-Bursitis
-Rotator cuff tear
-Tendonitis

24
Q

Bursitis

A

Inflammation of fluid filled sacs enclosing joints

25
Q

Rotator cuff tear - 4 muscles

A

Muscle injury
-teres minor
-supraspinous
-infraspinous
-scubscapularis

26
Q

Tendonitis

A

Tearing of tendon causing inflammation

27
Q

Bankart lesion

A

Injury to anterioinferior aspect of labrum
Caused by anterior dislocation of humerus

28
Q

Hills-Sachs defect

A

Compression fracture of posterolateral humeral head during dislocation
Caused by anterior dislocation of humeral head

29
Q

Idiopathic chronic adhesive capsulitis

A

Disability of shoulder joint
Caused by chronic inflammation in and around joint
Pain & limited motion

30
Q

Glenoid labrum

A

Ring of fibrocartilage that runs around glenoid cavity

31
Q

Impingement syndrome

A

Outer border of scapula pinches rotator cuff beneath it

32
Q

Osteoarthritis

A

Lack of synovial fluid
Bone on bone arthritis
aka DJD Degenerative Joint Disease

33
Q

Osteoporosis

A

Bones less dense
More porous
Bones appear darker on X-ray

34
Q

Rheumatoid arthritis

A

Chronic autoimmune disease causing inflammation/pain in joints

35
Q

Shoulder dislocation

A

Traumatic removal of humeral head from glenoid cavity

36
Q

AP Humerus

A

Taken w/ grid due to thick shoulder
Body slightly rotated so shoulder & proximal humerus are in contact w/ IR
Arm is slightly abducted, hand supinated
Epicondyles parallel to IR

37
Q

Lateromedial humerus

A

Patient’s back to IR
Body slightly rotated so humerus in contact w/ IR
Rotate arm internally, hand pronated
Epicondyles perpendicular to IR

38
Q

Mediolateral humerus

A

Patient facing IR
Body rotated so humerus in contact w/ IR
Flex elbow 90 degrees

39
Q

Humerus - external rotation

A

Greater tubercle in profile on lateral aspect of humeral head
Condyles parallel to IR

40
Q

Humerus - internal rotation

A

Lesser tubercle in profile on medial aspect of humeral head
Condyles perpendicular to IR

41
Q

Tubercle locations for External humerus

A

Greater tubercle - laterally in profile
Lesser tubercle - anteriorly

42
Q

Shoulder girdle joints - classification

A

Synovial

43
Q

Shoulder girdle joints - mobility type

A

Diarthrodial

44
Q

Projection for Hill-Sachs defect

A

AP internal shoulder
Exaggerated external shoulder
Axillary lateral shoulder

45
Q

Projection for Bursitis

A

AP shoulder
Lateral shoulder

46
Q

Projection for Idiopathic chronic adhesive capsulitis

A

AP shoulder
Lateral shoulder

47
Q

Projection for Impingement syndrome

A

Scapular Y, Neer method

48
Q

Projection for Osteoarthritis

A

AP shoulder
Lateral shoulder

49
Q

Projection for Osteoporosis

A

AP shoulder
Lateral shoulder

50
Q

Projection for Rheumatoid arthritis

A

AP shoulder
Lateral shoulder

51
Q

Projection for shoulder dislocation

A

Scapular Y
Transthoracic lateral
Garth method

52
Q

Projection for Bankart lesion

A

AP internal shoulder
Scapular Y
Grashey

Radiologic Positioning I (8 decks)

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