8: Fingers and hand radiographic technique Flashcards

1
Q

MCP

A

Metacarpophalangeal joints

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2
Q

CMC

A

carpometacarpal joints

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3
Q

Acute clinical indications for xray

A

Fractures
Dislocations
Amputations
Crush injury
FB

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4
Q

Chronic clinical indications for xray

A

OA or RA

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5
Q

Other clinical indications for xray

A

Bone pain
Tumors
Osteomyelitis
Pre/ post op planning

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6
Q

Osteomyelitis

A

Infection of the bone

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7
Q

Adult exposure factors -fingers and thumb DP

A

54kVp 1mAs

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8
Q

Adult exposure factors -fingers and thumb lateral

A

54 kVp, 1mAs, small FSS

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9
Q

Position for DP finger

A

Patient is seated along edge of table ensure patients legs are not under the table
Raise table height to have entire upper limb at same height and plane
Pronate the hand with palm + fingers flat + parallel to the IR
Extend + separate fingers

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10
Q

Centering for DP finger

A

Proximal IP joints of the affected + adjacent fingers

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11
Q

Collimation for DP finger

A

Collimate to include soft tissue of finger tops up to distal 3rd of MC bones

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12
Q

Basic finger projections

A

DP finger
Lateral finger

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13
Q

Basic hand projections

A

DP hand
DP oblique hand

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14
Q

Supplementary hand projections

A

Lateral hand
DP both hands
Ball catchers

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15
Q

Sample exposure factors for DP hand

A

55kvp 1mAs

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16
Q

Sample exposure factors for lateral hand

A

57kVp, 1.2 mAs

17
Q

Image appearance of OA

A

Joint space narrowing
Sclerotic margin at joints
Osteophytes
Erosions at joints

18
Q

Image appearance of RA

A

Marginal erosion
Soft tissue swelling/ joint effusions
Osteoporosis
Joint space narrowing
Deformity

19
Q

Closed fracture

A

No communication between # and external environment

20
Q

Open fracture

A

Direct communication between # and skin surface

21
Q

Fracture of thumb is also known as

A

Bennett’s fracture