Forearm, Routine Elbow, Trauma Elbow Test- Procedures II

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the Stecher method for the navicular requires a CR or angle sponge that is __ degrees

20 degrees

which structure is demonstrated in profile when the AP elbow with medial rotation oblique is demonstrated?

coronoid process

for most CR systems, the green strips should be placed at the __ for a forearm study

fingertips

the coronoid process will fit into the coronoid fossa when the arm is placed in __

flexion

when performing a trauma oblique elbow view on a patient who can extend their arm, the CR should be angled and directed to the __ surface of the arm in order to demonstrate the medial oblique elbow

lateral

when performing radial head views of the elbow, the arm should be placed in a __ position/projection

lateral

which elbow oblique will demonstrate the radial head and neck free of superimposition?

lateral

when performing the axiolateral projection/Coyle method for elbow on a trauma patient who is unable to sit at the end of the table, the CR should be placed __

45 degrees toward shoulder for radial head, 45 degrees away from shoulder for coronoid process (mid elbow)

for the PA axial projection/ cubital notch, the arm should be flexed so the angle between the humerus and forearm is__

75 degrees

when performing the Coyle method for oblique elbows on those patients who cannot extend their arm, to demonstrate the coronoid process the arm should be flexed __

80 degrees

for demonstration of the radial head utilizing the Coyle method, the arm should be flexed __

90 degrees

how many degrees of flexion are necessary for the lateral position/projection of the forearm and elbow?

90 degrees

in an AP elbow, a line through the humeral condyles will be __ to the IR

parallel

what 3 body joints should be in the same plane when performing routine forearm and/or elbow studies?

shoulder, elbow, wrist -raise table -sponge -have pt move

what humeral structure articulates with the ulna?

trochlea (medial condyle)

another name for the semi lunar notch

trochlear notch

when performing radial head views it is necessary to place the wrist, elbow, and shoulder in the same plane with 90 degrees of joint flexion

true

which bone of the forearm is the medial structure?

ulna

when/ why is it necessary to perform the 2 partial flexion views of the elbow?

when a patient is unable to completely straighten the arm or is unable to rotate the arm

axiolateral Coyle method

when patient is not able to extend arm

why is it important to include soft tissue when collimating for the lateral elbow exam?

"fat pads" the 3 areas of fat associated w/ the elbow joint can be visualized only in the lateral projection

the 4 positions that are performed to adequately demonstrate the circumference of the radial head

1. hand supine, 2. hand lateral, 3. hand prone, 4. hand in extreme internal rotation

2 reasons for the importance of flexing the elbow 90 degrees:

1. olecranon process seen in profile, 2. elbow fat pads least compressed

when performing trauma oblique elbow images the CR should be angled medially and laterally __ degrees

45

how many degrees of rotation are necessary to adequately perform oblique elbow exams?

45 degrees

if performing trauma* oblique elbow views on a patient who is only able/is not able to extend their arm, the CR should be angled __

45 degrees

if a patient is unable to rotate their arm for the routine oblique views of the elbow, what may be done to obtain the necessary radiographs?

Coyle method- angle CR medially and laterally 45 degrees

another name for capitulum

LATERAL condyle (so it articulates with RADIAL HEAD - LATERAL SIDE)

another name for trochlea

MEDIAL condyle (on ulnar side) (most protruding!)

when performing the AP projection partial flexion of the elbow with the humerus in contact with the IR and the elbow in hyperflexion, the CR should be __

angled towards the forearm

the coronoid fossa is on the __ surface of the elbow and will be filled with a bony process when the arm is __ (anterior)

anterior, in flexion

the radial tuberosity should be facing __ when the lateral forearm or elbow study is performed

anteriorly

the CR should be angled 45 degrees and __ the shoulder for demonstration of the coronoid process (Coyle)

away from

name of the anterior fontanel of an immature skull

bregma

the radial head will articulate with the __ of the humerus

capitulum

what humeral structure articulate with the radial head?

capitulum (lateral condyle)

when performing the AP oblique elbow with medial rotation, the radius and ulna will appear __

crossed

the medial oblique elbow should show the radius and ulna __

crossing

when performing an AP projection of the forearm/elbow, what might you need to have the patient do in order to obtain a "true" AP view?

have patient lean laterally until in a true supinated position

for most CR systems, the green stripes should be placed at the __ for an elbow study

humerus

when performing a lateral forearm/elbow, what is the position of the hand?

lateral, thumb side up

the CR should be directed to the __ when performing a lateral forearm exam

mid-shaft of ante-brachium

the narrowed portion of the elbow that lies just distal to the radial head is the __

neck

the AP projection Acute Flexion Jones method will demonstrate this atomic structure

olecranon process

the __ is demonstrated in profile on a routine lateral elbow position

olecranon process

what process and fossa fit together when the arm is in extension?

olecranon process and fossa (tip of elbow!)

when performing the AP forearm position, a line drawn through the humeral epicondyles should be __ to the IR

parallel

for the PA projection Acute Flexion Jones method, the CR should be directed to enter __

perp to the flexed forearm, 2" distal to the olecranon process

when performing AP Partial Flexion with the forearm down on the IR and the arm extended, the CR should be __

perpendicular to the IR and directed to the elbow joint

how and where should the CR be directed when performing an elbow study?

perpendicular to the elbow joint

when performing the Acute Flexion Jones Method to demonstrate the distal humerus, the CR should be __

perpendicular to the humerus

the olecranon fossa is a __ structure of the humerus

posterior

what positions of the hand/arm will demonstrate the radial tuberosity facing posteriorly?

pronated and extreme internal rotation

the narrowed area just distal to the radial head

radial neck

name 2 structures that must be superimposed on a lateral forearm radiograph

radius and ulna (styloid processes) (condyles)

the lateral oblique elbow should show the radius and ulna __

separated, w/o superimposition

when performing a radial head examination, the radial tuberosity will be facing anteriorly (toward the body) when the hand is __

supinated and lateral

what hand action is performed when an AP projection of the elbow or forearm is performed?

supination

joint classification for sutures of the adult skull

synarthrotic

what will the PA axial projection/ distal humerus/ cubital notch demonstrate?

tennis elbow ( radiohumeral bursitis)

the CR should be angled 45 degrees and angled __ the shoulder for demonstration of the radial head (Coyle)

toward


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