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RAD-141 HAND MIDTERM
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how many bones are there in each hand and list how many of each
14 phalanges
5 metacarpals
8 carpals
what is the joint between the thumbs called
interphalangeal joints
what is the joint between proximal phalanx of the thumb and between the first metacarpal
1st metacarpophalangeal joint
what are the joints that articulate with the proximal ends of the metacarpals
carpometacarpal joints (CMC)
what type of joints are the CMC joints the 2-5 phalanges
gliding joints
what type of joint is the first CMC of the thumb
sellar joint
what type of joints are the PIP & IP joints
ginglymus (hinge)
what joints of the hand are ellipsoid (condylar) joints
MCP joint 1-5
what are the radiographic considerations for the hand list them all
use correct general considerations for proper position
gonadal shielding
SID = 40''
10x12 cassette
collimation
markers and ID blockers
what is the kvp for a exposure factors
50-70 kvp
where must the CR be for a PA hand, PA oblique
where is the CR centered "FAN" lateral
3rd MCP
2nd MCP
what are the special positions for the hand and what are they used for
extension lateral hand
flexion lateral hand
Norgaard method or ball catchers position
what is the Norgaard method or ball catchers position used for
to evaluate early evidence of rheumatoid arthritis and fractures of the base of the 5th metacarpal
List the rquirements for a PA finger
IR 8x10 or 10x12
SID 40''
seated with elbow flexed 90 degrees
pronate hand
extend and separate fingers
CR to PIP
what are the three positions for a finger and what portion of the hand must we include with the finger
pa, oblique, lateral
half of the metacarpals
how do we position fingers 3 4 5
same way as oblique for hand
how do we position the second finger for a lateral
keep finger flipped over and parallel to the IR
where do we center for the AP thumb and how do we position
CR 1st MCP
arm extended in front w/hand rotated internally to supinate thumb
why do we not use a PA thumb (special)
loss of detail due to increased oID
what three positions do we use for a thumb
ap oblique and lateral
where do we center the CR for a fan lateral position
2nd MCP joint
what is the modified roberts method
this best to rule out what fracture
it is the same position as an ap thumb but the CR is angled 15 degrees toward the wrist
bennetts fx
what is another name for the AP oblqiue bilateral projection
norgaard or ball cathers position
where do we center for extension and flexion laterals
2nd -5th MCP joints
where do we center for a lateral thumb
CR to 1st MCP
where do we center for a thumb pa oblique
1st MCP
why would we use the PA skiers thumb projection
demonstrates sprain or tearing of the ulnar collateral ligament of the thumb at the MCP joint, results in acute hyperextension of thumb
what special position is used to view anterior or posterior displaced fractures of the metacarpals
flexion lateral hand
hand is cupped while in a lateral position
what position is best for foreign body localization
extension lateral hand
Author
anatomy12
ID
241496
Card Set
RAD-141 HAND MIDTERM
Description
xray
Updated
2013-12-14T18:22:15Z
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