Upper Extremity - Shoulder Flashcards
When do you use Table Top?
Parts under 11 cms / elbow - hands
What is the SID?
40”
What is the KvP?
50-75
What speed of cassette for table top?
small FS and 100 speed cassette
Do you use filtration?
may use compensating filtration
What are obliques and axial views used for?
overlapping anatomy
Where is the ID blocker placed?
Always placed away from from the joint of interest of pertinent anatomy
What are the breathing instructions?
Don’t breathe, don’t move
What’s the rule about R and L ID marker
Use R and L ID marker for side being filmed once per film
What’s to note about CR & DR?
One view per film, digital format automatically stretches the pixels out in an attempt uniform density
Can you have multiple views on one film?
Yes, with the exception of CR & DR. This save money. Cover part not being used. Align anatomy in same direction for all views.
What are the views in the Shoulder Series?
AP with Internal Rotation
Posterior Oblique with External Rotation
PA ‘Y’ View
AP with Internal Rotation: Film Size?
10x12
AP with Internal Rotation: Film Placement?
Transverse / 1 1/2” above shoulders
AP with Internal Rotation: CR?
vertical CR to coracoid
horizontal CR to mid film
AP with Internal Rotation: Placement?
arm internally rotated to place epicondyles perpendicular to film
AP with Internal Rotation: Helps View?
Lesser Tubercle
Posterior Oblique with External Rotation: Film Size?
10 x 12
Posterior Oblique with External Rotation: Film Placement?
Transverse / 1 1/2” above shoulders
Posterior Oblique with External Rotation: Central Ray?
vertical CR to glenohumeral joint space
horizontal CR to mid film
Posterior Oblique with External Rotation: Placement?
otate patient toward affected side until scapula is flat against bucky, externally rotate arm until epicondyles are parallel to the film
Posterior Oblique with External Rotation: Helps View?
Greater Tubercle
Posterior Oblique with External Rotation: Filter?
Boomerang Filter
PA “Y” View: Film Size?
10 x 12
PA “Y” View: Film Placement?
Vertical / 1 1/2” above shoulder
PA “Y” View: Central Ray?
vertical CR to medial end of scapular spine of affected scapula
horizontal CR to mid film
PA “Y” View: Placement?
patient in anterior oblique position with affected shoulder against bucky, scapula in lateral position perpendicular to the bucky
PA “Y” View: Helps Views?
Acromion, Lateral Clavicle, Coracoid Process, Outlet Region
PA “Y” View: Tube Tilt?
10-15 degree caudal tube tilt
PA “Y” View: Why is this performed?
PERFORMED TO DETECT SHOULDER IMPINGEMENT SYNDROME
What shoulder view films placed transverse?
AP with Internal Rotation
Posterior Oblique with External Rotation
What shoulder view films are placed vertical?
PA “Y” View
What shoulder view has a tube tilt?
PA “Y” View / 10-15 degrees caudal
What shoulder view has filter?
Posterior Oblique with External Rotation
What shoulder view helps view Lesser Tubercle?
AP with Internal Rotation
What shoulder view helps view Greater Tubercle?
Posterior Oblique with External Rotation
What shoulder view helps view Glenohumeral Joint Space?
Posterior Oblique with External Rotation
What shoulder view helps detect shoulder impingement syndrome?
PA “Y” View
What shoulder view places epicondyles perpendicular to film?
AP with Internal Rotation
What shoulder view places epicondyles parallel to film?
Posterior Oblique with External Rotation
What shoulder view places scapula in lateral position perpendicular to bucky?
PA “Y” view
