RAD 118 Elbow and Humerus

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What is CR angle/direction for the AP projection of the elbow, proximal forcarm, in partial flexion

0 degrees

What evaluation criteria indicates the humerus was properly positioned for the AP projection?

greater tubercle seen in profile

What is CR angle and direction for the axial lateral projection of the elbow (Coyle method)?

45 degrees toward the shoulder

What is CR angle/dinection required for the Axiolateral peojection (Coyle method) of the elbow

45 degrees toward the shoulder

What is the degree of fiexion required for the lateral projection of the elbow?

90 degree

The elbow is flexed for the lateratprojection.

90 degrees

Referring to the image above, positioning for what projection is demonstrated?

AP distal humerus acute flexion

Referring to the image sbove, positioning for what projection is demonstrated

AP distal humerus partial flexion

Which of the following will best demonstrate the greater tubercle in profile?

AP humerus

Which of the following places the coronoid process of the ulna in profile?

AP oblique elbow projection, medial rotation

This projection of the elbow will demonstrate the coronoid process in profile

AP oblique medial rotation

which of the following would best demonstrate the radial head and neck free from superimposition

AP oblique projection lateral rotation

Which of the following projections of the elbow will best demonstrate the coronoid process in profile

AP oblique, medial rotatin

In which oblique of the elbow is the hand peonated?

AP oblique, medial rotation

This projection of the elbow will demonstrate the radial head neck and tuberosity free from superimposition.

AP oblque lateral rotation

This projection of the humerus will demonstrate the greater tubercle in profle

AP projection

Referring to the image above, positioning for what projection is demonstrated?

PA proximal forearm, acute flexio

What anatomic landmak is the IR centered for the transthoracic latenal projection (lawrence method) the proximal humerus

Surgical neck of humerus

Referring to the image above, what projection is demonstrated?

Transthoracic lateral projection of the shoulder and proximal humerus

For the AP projection of the eibow, the humeral epicondyles are placed to the plane of the IR

parallel

How are the humeral epicondyles positioned in relation to the plane of the IR for the AP projection of elbow?

parallel

Why is the hand supinated for the AP projection of the elbow?

to prevent crossing of the radius/ulna

The coronoid process is best seen in profile in the lateral projection of the elbow

false

Approximately how far above the hamseral head should the upper margin of the IR be placed for projection of humerus?

1 1/2"

In the properly positioned AP oblique of the elbow with lateral rotation, what two digits should touch

1 and 2

Which of the following are positioned to be in be same plane for the lateral projection of the elbow

1. Wrist joint 2. elbow joist 3. shoulder joint

In the lateral projection, four position series for the radial head, which position of the hand places the tuberosity to face posteriorly?

1. hand pronated 2. hand rotated medially

Which projections would best demonstrate the distal humerus in the lateral projection for a patient with fracture?

1. lateral recumbent, distal humerus 2. dorsal recumbent, distal humerus (cross-table lateral)

Which of the following must be clearly demonstrated on the AP projection of the humerus?

1. shoulder joint 2. elbow joint

If the patient cannot raise their unaffected arm for the transthoracic lateral projection (Lawrence meth the proximal humerus, the CR may be angled:

10-15 cephalic

How much is the elbow joint rotated from the plane of the IR for the AP oblique projections?

45 degree

The elbow is to be rotated from the plane of the IR for the AP oblique projections.

45 degrees

Referring to the image above, identify the name of this projection and the anatomy of interest from the choices provided.

Axiolaterai elbow (Coyle method) for radial head and capitulum

Which of dhe following wold be used to image the radial head for a trauma patient?

Axiolateral projection (Coyle method)

Which of the following structures of the distal humerus does the radial head articulate with

Capitulum

Which of the following projections best deminstrates the Olecranon process in profie?

Lateral

Where is the capitulum located?

Lateral side of distal humerus

how is the hand positioned for the lateral projection of the elbow?

Lateral with thumb up

Referring to the image above, what structure is labeled as letter K?

Medial epicondyle

What depression is located on the posterior apect of the distal humerus

Olecranon fossa

The olecranon fossa is located on:

distal posterior humerus

Referring to the image above, what anatomy does the white line indicate?

left radial tuberosity

Why are humerus images often done with the patient in the upright or seated upright position?

less painful for patient

Where is the CR directed for the AP projection of the humerus?

mid humerus

Which of the following is necessary when positioning for a true lateral position of the elbow?

necessary 1. hand in lateral position 2. elbow flexed 90 degrees 3. humeral epicondyles superimposed

If the posterior fat pad of the elbow is visible on an image, what is indicated?

pathology or injury

For the lateral projection of the elbow the humeral epicondyles are placed to the plane of the IR

perpendicuiar

Referring to the above image, how are the humeral epicondyles positioned in relation to the plane of the IR

perpendicular

When performing the PA projection of the proximal forearm with the elbow in acute flexion, the CR is directed:

perpendicular to the forearm

How is the hand positioned for the axiolsteral projection (Coyle method) of the elbow?

pronated

What does the image above portray?

proximal ulna

As positioned in the image above, what structures of the elbow will be best demonstrated on the final image?

radial head and capitulum

Referring to the diagram above, what anatomy will be best demonstrated on the resulting image?

radial head free from superimposition

Which is dhe lateral bone of he forearm

radius

Where is the anatomical neck of the humerus located in relation to the surgical neck?

superior

What site is a common place for humerus fractures?

surgical neck

Which portion of the distal humerus does the trochlear notch of the ulna articulate with?

trochlea


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