Anatomy workbook-Upper extremity Flashcards
What is best demonstrated in a lateral wrist?
The base of 5th metacarpal and pisiform
When would you image using the coyle’s method?
When you suspect a radial head injury and want to see it free from superimposition
What is the best position to demonstrate the coronoid process
AP oblique medial rotation of the elbow (ice-cream scoop)
What is another name for acute flexion?
Jones method
What provides a clearer image of the proximal forearm in acute flexion? Is it when the CR is perpendicular or angled to the forearm?
When the central ray is perpendicular to the IR
Which provides a clearer image of the distal humerus in acute flexion?
When the CR is angled to the IR
What are 8 techniques/equipment that can be used to immobilize?
- Pigg-o-stat
- Sponges
- Tongue depressors
- Work quickly
- Clear instructions
- Tape
- Short exposure
- Hold breath
Define position and give 3 examples:
The position of the body; RPO, erect, supine, Lateral decubitus
Define projection:
The direction of the CR to the IR
Define View:
From the prospective of the IR to the x ray tube
Define Views and give examples:
The number of projections taken in a procedure; 3 images of the right hand
Define AEC:
Automatic exposure control
What are two other names for the transverse/axial plane?
- Horizontal
- Cross sectional
What information is required prior to imaging the patient?
- Name
- DOB
- If anatomy is correct
- Any additional history
- Chance of pregnancy
What are the 2 types of filters used in imaging?
- Boomerang
2.Wedge
What can be done if a patient cannot fully extend their digit?
-Do an AP to open the joint spaces and take 2 images with both surfaces in contact with the IR
What fracture takes place on the thumb?
Bennett’s fracture
What carpal bone (s) are best demonstrated in a lateral projection of the wrist?
Just the Lunate
What carpal bones are best demonstrated in the AP oblique of the wrist?
The medial carpal bones especially the hamate and pisiform
What is the position of the radial tuberosity when the hand is; supinated and pronated
Supinated: Anterior
Pronated: Posterior
What is the CP for AP projections of the shoulder?
1 inch distal to coracoid
If the head of the humerus is below the coracoid process, what type of dislocation has occurred?
Anterior dislocation
What are the routine views for the AC joints?
Bilateral, unilateral
What are the routine views for the clavicle?
AP, AP axial
Where is the CR for the AC joints?
Midline below jugular notch
Which way would the CR be when wanting to image the distal humerus in acute flexion?
Angled
