Shoulder Flashcards
Present a review of orthopedic problems in the shoulder and their tx. Etiology, signs, Sx, and management
What is the common symptom orthopedic problems?
Pain
What are associated orthopedic problems?
numbness- swelling can be associated deformity loss of function lacerations psychological problems - whether or not they have pain is difficult to tell
Pathways of clinical discussion
CC- why are they here Hx of CC physical findings suspected differentiated diagnosis objective testing specific diagnosis tx
severity of pain
burn? aching pain? numbness? swelling ? redness? what makes it better or worse?
Hx of CC
initiating circumstances time factors past hx of similar conditions past hx of tx previous illness that may be related family hx of similar problem
Notes of Hx of CC
How was it treated before? Aspirin Any recent injuries? Family history with similar condition or pain? How did it start ? Is it short term or long term ? Has it hurt like this before ? Numbness before? Tx in the past ? Any illnesses? Cough or cold urinary problems Arthritis or gout in the family?
which joint usually sublux (dislocate) anteriorly?
glenohumeral joint
Apprehension test
subluxation upon test show shoulder instability (COMMON)
90 degrees abduction to see it if sub luxes
Subluxation of a joint means a condition where a joint is dislocated
What is a normal degree of full abduction
180
look for loss of abduction
Physical findings of shoulder
inspection (general appearance, symmetry, atrophy, color)
Symmetry between mirrored anatomical structure make for a direct non pathological comparison
Degrees of shoulder ROM
Flexion - 160 Extension - 45 abduction - 180 adduction - 45 internal rotation - 90 external rotation - 100
Objective testing
Radiograph -
Electrodiagnostic
Vascular
Provocative
CAT Scan
bony details - fx of intraarticular
MRI
if you don’t know if it is a fx or not and there may be infection
Arthrograms
if you can’t do an MRI (patient has pacemaker) - inject to see soft tissue (CONTRAST)
ultrasound
rotator cuff tears
Pain in shoulder - nerve
can be radicular pain (nerve root)
or may be coming from the neck
EMG
see how the nerve functions by EMG
whether or not nerve is functioning or is irritated
DO IT for Axillary n.
Nerve conduction velocities
speed of the nerve signal
What kind of electrodiagnostic testing is used for carpal tunnel syndrome?
EMG/NVC
What is the non-invasive vascular testing?
sonogram
=sound
When do you do an objective PROVACATIVE testing?
Not sure what is wrong e.g. rotator cuff tear vs neck problem
inject needle under SUBACROMIAL AREA = if pain relieved from site anesthesia, then rule out origin of pain from the neck because it is localized and directly from the shoulder
Can nerve root and localized nerve functioning both contribute to pain?
Yes
AC joint
acromion process and clavicle
Acromioclavicular joint/ superior acromioclavicular ligament
SC joint
Sternoclavicular joint / / anterior sternoclavicular ligament
clavicle and manubrium (not sternum)
Glenohumeral joint
glenoid cavity and head of the humerus
Scapulothoracic joint
suscapular fossa and medial border of the scapula to the thorax (ribs)
Coracovicular joint
corocoid process of the scapular to the clavicle
oracoclavicular ligaments – trapazoid and coracoid ligaments
G-H joint problems
Instability Impingement rotator cuff bicipital tendon degenerative joint disease adhesive capsulitis (arthritis)
Diagnosis of G-H instability
subluxation - usually anteriorly
head of the humerus can move from the glenoid fossa
hyaline cartilage not seen in the joint space when collapsed
G-H joint subluxation
superiorly
inferiorly (acute dislocation)
How to view inferior G-H joint subluxation
lateral and Y view x-ray
not just AP
CC of G-H instability
Pain Painful ROM Weakness in abduction apprehension of instability guarding spontaneous dislocation
Pain ROM in G-H instability
deformity
Weakness of abduction in G-H instability
won’t be able to move the arm if complete dislocation
can indicate nerve injury to the axillary n. which supplied the deltoid (abduction function) = decreased abduction of the arm if ax. n. traumatized
apprehension of instability (apprehension test)
stress test to stretch the joint and they will feel pain and think the shoulder will dislocate
Guarding
CLINICAL SIGN OF G-H INSTABILITY
-Patient won’t abduct
think they will dislocate the arm
Spontaneous dislocation
Instability of the joint will cause spontaneous dislocations
shoulder will pop out of the place ; pt has to be sedated to have it put back into place
FOOSH injury
Hx or cause of G-H instability
TRAUMA
CONGENITAL
INFECTION
Trauma
acute - fall on arm; FOOSH
chronic overuse - that wears out the supporting structure of the shoulder (shoulder tend to sublux)
Congenital (born with it)
Chronic laxity - lax shoulder
deformity of joint
Congenital deformities of the G-H joint
Ehler’s Danlos syndrome – how the collagen fibers are laid down in the capsular structures
-weakened capsular structures
-lax everything: elbow hyperextended, thumb hyperextended, and knee caps dislocated
Infection
destroy articular spaces and destroy joint
better tx infections quickly
eliminate the possibility of this joint becoming post-infection
Physical findings of G-H instability
asymmetry weakness decreased functional ROM palpatory hypermobility TESTS!!!!!!
What are tests for G-H instability
APPREHENSION TEST
RELOCATION TEST- pop it back in
ANTERIOR DRAW TEST
Weakness of G-H joint
cause instability
joint sublux where the head of the humerus used to be
SULCUS SIGN - DEPRESSION AT AREA where humeral joint would normally be
-weakness particularly if shoulder is CHRONICALLY INSTABLE
Decreased functional ROM at G-H joint
won’t have the ability to move the arm - feels like you would dislocate that arm
Objective testing for G-H instability
- X-rays - AP, exillary Y -view r lateral view)
orthogonal XR should be initial objective testing - CT scan - Hill Sachs lesions
- MRI - labral tear, bankart lesion
- Arthrogram - when you can’t do a MRI
Hill Sachs lesions
seen in CT
occur @ G-H joint
head of the humerus gets pushed on and dislocates by the head of the glenoid rim
creates a defect in the head where the head is being pushed
How do you see a Hill Sachs lesion?
CT
How do you see a bankart lesion?
MRI or arthrogram if can’t do MRI on a patient with pacemaker or other devices
Bankart lesion
torn labrum which is cartilaginous it creates a lesion labrum is torn off usually can do it with MRI located in the BACK of the joint
How to Tx G-H instability?
Dont do SURGERY if Ehler’s Danlos (upper brachial plexus injury) or collagen type II defect
Tx acute G-H dislocations
Need to be put back in place !!!!
use safe technique - stimson’s technique
Surgery for G-H instability
Trauma - ACUTE
bankart lesion (fix the labrum)
CHRONIC RECURRENT DISLOCATIONS
instable shoulder (subluxed) - not yet dislocated ; tighten up the capsule and repair the glens
What are chronic recurrent dislocations of G-H?
patient will continue to dislocate unless something is done surgically
CHRONIC DISLOCATIONS DO REQUIRE SURGERY
What is the safest way to put G-H joint back in place?
Stimson’s technique
joint dislocation