UE part II - Exam 1 Flashcards

(161 cards)

1
Q

What are the 3 distinct joints in the elbow?

A

Ulnohumeral and Radiocapitellar Articulation

Proximal Radioulnar Articulation

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2
Q

How are AP views of the elbow shot?

A
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3
Q

How are lateral views of the elbow shot?

A
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4
Q

How are oblique views of the elbow shot? What are you trying to visualize?

A

Oblique (Radiocapitellar) 45° view

shot to improve radial head visualization

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5
Q

How do you interpret a lateral view of elbow imaging?

A

The anterior humeral line (1-2) should bisect the middle third of the capitellum.

The radiocapitellar line (drawn through the center of the radius, 3-4) should also pass through the center of the capitellum

if not normal, may indicate fracture

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6
Q

What is normal elbow flexion in degrees? Supination/pronation?

A

Flexion 0-150°

supination/pronation: 80 degrees

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7
Q

What muscle and nerve are responsible for flexion and supination of the elbow?

A

Bicep, C5-C6, musculocutaneous nerve

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8
Q

What muscle and nerve are responsible for extension of the elbow?

A

tricep, C7-8

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9
Q

What muscle and nerves are responsible for pronation?

A

Pronator teres muscles, median nerve, C6-C7

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10
Q

How do you perform the vaLgus stress test? Which ligament are you testing?

A

Hold the elbow in 20° flexion with the forearm in supination, apply pressure on the lateral side of the elbow to increase the pressure on the medial ligament

testing medial ligamentous structure

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11
Q

How do you perform the varus stress test? What ligament are you testing?

A

Hold the elbow in 20° flexion with the forearm in supination and apply pressure on the medial side of the elbow, attempting to open the lateral joint line

testing the lateral collateral ligament

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12
Q

In relation to the body, is valgus pulling the hand towards or away from the body?

A

away

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13
Q

In relation to the body, is varus pulling the hand towards or away from the body?

A

towards

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14
Q

What are the 3 different fracture patterns of the distal humus? Which one is MC overall? MC in children?

A

Supracondylar (MC in children) - Type A

Epicondylar (medial or lateral) - Type B

Intercondylar - Type C (MC)

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15
Q

What type of fracture?

A

type A

supracondylar distal humeral fx

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16
Q

What type of fracture?

A

type B

Epicondylar (medial or lateral) distal humeral fx

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17
Q

What kind of fracture?

A

Type C

intercondylar distal humeral fx

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18
Q

If the ulnar nerve motor was damaged in a distal humeral fx, what would the pt NOT be able to do?

A

Flexion/adduction wrist, 4th and 5th DIP joint flexion, finger abduction

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19
Q

If the radial nerve motor was damaged in a distal humeral fx, what would the pt NOT be able to do?

A

wrist extension

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20
Q

pain, swelling, tenderness
limited elbow ROM
shortening of arm with displaced shaft

What am I?

A

distal humeral fx

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21
Q

If the fx is supracondylar, what artery and nerve are likely to be involved?

A

radial artery and median nerve

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22
Q

If the fx is medial epicondylar humeral, what nerve is likely to be involved?

A

ulnar nerve

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23
Q

If the fx is lateral epicondylar humeral, what nerve is likely to be involved?

A

radial nerve

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24
Q

When assesses _____ humeral xray, you see a fat pad “sail sign,” what does that indicate? What can it point to? What is the MC population?

A

distal

Indicates intra-articular bleeding

May be evidence of an occult fracture

MC seen in kids

fat pad “sail sign” is NOT unique to distal humeral fx, also need in radial head/neck fx

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25
What does this indicate?
distal humeral fx
26
What is the tx for isolated supracondylar distal humeral fx without displacement or angulation?
Long arm cast/splint with elbow flexed at 90 degrees
27
What is the tx for isolated supracondylar distal humeral fx WITH displacement, NV compromise or angulation?
ORIF
28
What is the tx for epicondylar distal humeral fx that is isolated and less than 2 mm displaced? If medial condyle? lateral?
Long arm cast/splint with elbow at 90 ° Medial condyle fx - forearm in pronation Lateral condyle fx - forearm in supination
29
What is the tx for epicondylar distal humeral fx that is moderately 2-4 mm displaced? Severe?
Percutaneous pinning¹ or ORIF ORIF
30
What is the mechanism of injury for olecranon fracture? What is 2nd MC?
fall on a semi-flexed supinated forearm (avulsion) direct trauma
31
What nerve is MC affected with an olecranon fracture? What 3 xray views should you order?
Ulnar nerve is most often affected AP, lateral and radiocapitellar
32
What is the management of a less than 1-2 mm displaced (nondisplaced) olecranon fx? When do you need to repeat xrays?
Posterior long arm splint with elbow in any degree of flexion, forearm in neutral position Encourage hand/finger ROM/strength Repeat x-ray in 7-10 days to ensure alignment is intact after cast removal, gentle ROM and consider PT
33
When can the cast/splint be removed after an olecranon fx?
Cast/splint removed after 2-3 wks
34
What is the tx for a displaced but closed olecranon fx? open?
displaced closed fx: splint and refer for ORIF displaced open fx: admit for IV abx and consult ortho
35
______ is the MC fracture of the elbow! What is the MOI?
Radial Head/Neck Fracture FOOSH resulting in compression of radial head into the capitellum
36
What is the classification system for radial head/neck fractures?
Type I - < 2 mm displacement Type II - displaced > 2 mm Type III - comminuted Type IV - radial head fracture with associated elbow dislocation
37
**A radial head/neck fracture will have what movement especially painful?
**Painful pronation/supination
38
What is the management for a type I radial head/neck fx?
Sling with or without a posterior splint → splint should be removed after 1-2 days active ROM after 24-48 hours Full extension, flexion Pronation and supination with elbow flexed at 90° F/u with ortho within 1 week Aspiration if hemarthrosis is present to allow early ROM
39
What is the management for radial head/neck type II-III fx?
Type II-III: Sling and splint with ortho evaluation in 2-3 days to discuss consideration of ORIF Ortho can assess for mechanical block type IV: Immediate consult for reduction and ORIF
40
What is "nursemaid's elbow?" Who is the MC pt?
Subluxation (partial dislocation) of the radial head through annular ligament due to laxity MC in children under age 5 years
41
What is the MOI for radial head subluxation?
Pulling on a pronated forearm while the elbow is extended
42
How will the kid present with a radial head subluxation?
hx of swinging mechanism arm is held semi-flexed, adducted, and pronated ROM is refused tender over radial head WITHOUT swelling or ecchymosis
43
What is the management of radial head subluxation? What are the 2 options? Which one is preferred? What should you do next?
reduce it!! Supination-flexion Hyperpronation** this one is preferred Immediate re-assessment of NV status
44
What should you do if your first attempt to reduce a radial head subluxation is unsuccessful? What would make a successful reduction less likely?
Reduction is less likely to be success if patient is seen 1-2 days after injury
45
Is imaging always needed in radial head subluxation?
Not necessary for diagnosis X-ray only if suspicion of other injury
46
Describe how to perform the Supination-Flexion Reduction Technique. What is it used for?
radial head subluxation reduction
47
Describe the hyperpronation reduction technique. When is it used?
radial head subluxation reduction
48
What is the management if radial head subluxation reduction did not work after 3-4 attempts?
Failed reduction: Order radiographs Splint (posterior long-arm) and refer to ortho
49
What is the management of a successful radial head subluxation reduction?
Tylenol/Motrin prn +/- sling Parent education
50
What is epicondylitis? What is the difference between tennis elbow and golfer's elbow? Which one is MC?
A tendinosis of the wrist extensors or wrist flexors at their origination site on their respective epicondyles Lateral: wrist extensors (aka tennis elbow) - MC** Medial: wrist flexors (aka golfers elbow)
51
What is the MOI for epicondylitis? What age range?
Chronic repetitive overuse resulting in micro-trauma at tendon insertion Acute strain due to excessive loading 30-50 years old
52
Where will tennis elbow be TTP? What is the wrist doing?
Point tenderness 1 cm distal to lateral epicondyle wrist extension with supination or gripping
53
Where will golfers elbow be TTP? What is the wrist doing?
Point tenderness 1 cm distal to medial epicondyle pain with ROM against resistance: elbow flexed. Wrist flexion and pronation
54
Shaking hands, using computer mouse, use of screwdriver, back-handed tennis swing. These activities would cause pain for someone who has _______
Lateral Epicondylitis (Tennis Elbow)
55
Golf swing, overhead throwing, bowling. These activities would cause pain for someone who has _______.
Medial Epicondylitis (Golfer’s Elbow)
56
Do you need xrays for epicondylitits?
Not needed! and they will be normal
57
What is the management for epicondylitis?
Activity modification, NSAIDs (topical or oral), Ice after use PT counterforce brace steroid injection (max 3)
58
What am I? When should you refer to ortho for the suspected condition?
counterforce brace used in the epicondylitis Refer to ortho if symptoms persist for 6 months of conservative therapy
59
______ can be seen secondary to systemic inflammatory conditions (RA, gout). If infectious, what are the 2 MC pathogens?
Olecranon Bursitis Septic bursitis - MC pathogens staph and strep
60
What am I? When is it more likely to be painful, tender and with limited ROM?
olecranon bursitis in trauma or infectious etiologies not so much in chronic bursitis
61
When is aspiration indicated for olecranon bursitis?
large and symptomatic bursa can do analysis of bursal fluid (CBC, gram stain, C&S, and crystals)
62
What is the management for olecranon bursitis with only mild swelling and no signs of septic bursitis?
Activity modification and NSAIDs Use of an elbow pad, compression during acute phase
63
What is the management for olecranon bursitis with significant swelling?
Aspirate, apply compression bandage, and f/u in 2-7 days If fluid returns and cultures are negative repeat aspiration and re-culture If cultures remain negative but swelling persists, aspiration and injection of 1 mL of corticosteroid into the bursal sac
64
What is the management for mild septic olecranon bursitis?
1st line: bactrim alt: cephalexin
65
What is the management for severe septic olecranon bursitis or the pt is immunocompromised? What if associated with trauma?
severe think systemic symptoms (fever, hypotension, tachycardia) or rapid progression after starting oral abx IV vancomycin trauma: add ciprofloxacin (Cipro) or piperacillin-tazobactam (Zosyn) for pseudomonal coverage
66
How are hand, wrist and fingers xrays shot?
PA, oblique, and lateral
67
How do you shoot an oblique hand view?
PA, about 45 degrees off the table with fingers spread
68
What is a Galeazzi fx?
Radial midshaft fracture associated with instability of the distal radioulnar joint (DRUJ)
69
What is a Monteggia fx?
Fracture of the proximal third of the ulnar shaft associated with dislocation of the radial head due to instability of the proximal radioulnar joint (PRUJ)
70
What are the differences between a Galeazzi and Monteggia fracture?
71
forearm xray series should automatically provide you with views of ____ and ____
wrist and elbow need to eval joints above and below fx
72
What is considered a simple, isolated, fracture of the ulnar shaft? What is the tx?
needs to be middle-distal 1/3 < 50% displacement, <10% angulation before or after closed reduction and no joint involvement Long-arm posterior splint
73
What is the proper way to apply a long-arm posterior splint?
Elbow at 90 degrees Forearm in neutral position Slight wrist extension
74
When do you need f/u xray in a simple, isolated, fracture of the ulnar shaft?
F/u x-rays to ensure alignment at 1 wk and then q4wk until complete healing has occurred (usually 8 wks)
75
What are the indications for a double sugar tong splint?
Isolated radial fractures Combined radius-ulna fracture Galeazzi or Monteggia fracture
76
What am I? When is it used?
double sugar tong splint complex radial and ulnar fractures
77
What is the MC MOI for a wrist fracture? What are the 2 common types?
FOOSH Colles fx Smith's fx
78
What is the difference between Colles and Smith's fx?
Colles fx (MC) - the distal radius fracture fragment is tilted dorsally Smith’s fx - the distal radial fragment is tilted volarly
79
What is the most likely type of wrist fracture?
Colles fx (MC) - the distal radius fracture fragment is tilted dorsally
80
What is the most likely types of wrist fracture?
Smith’s fx - the distal radial fragment is tilted volarly
81
What type of deformity? What type of wrist fracture?
“dinner fork” deformity -> Colles (dorsal) hand is up compare to wrist
82
What type of deformity? What type of fracture?
“garden spade” deformity -> Smith's fx volar
83
What is the tx for non-displaced, minimally displaced or non-articular fx? How long do they need to wait? What are the xray requirements?
Sugar tong splint or short arm cast for 2 to 3 weeks Casts should not be placed until 72 hours after injury AP and lateral radiographs should be performed each week for 2 weeks to assure union and reduction
84
what is the management for displaced or open wrist fractures?
ORIF
85
What is the MC carpal fx? What pt population? **Why are these especially important to NOT miss?
scaphoid fx young men **Blood supply enters at the distal ⅓ of the bone
86
What are 3 complications of a scaphoid fracture?
High incidence of delayed diagnosis Non-union Avascular necrosis
87
**What is the slam dunk PE finding for scaphoid fracture?
** Tenderness along the anatomical snuff box
88
What xrays should you order if concerned about scaphoid fracture?
Wrist series PLUS Scaphoid (navicular) view
89
How do you shoot a scaphoid (navicular) view?
PA view with the wrist in ulnar deviation
90
What is the tx for a nondisplaced scaphoid fx? One that has negative xrays? What if the xray remain negative but scaphoid fx suspicion is very high?
Thumb spica splint/cast x 6 wks Refer to ortho Thumb spica splint/cast x 6 wks Refer to ortho Repeat x-rays in 7-14 days if initially negative If x-rays remain negative and tenderness persists → CT/MRI
91
What is the tx for displaced scaphoid fracture?
ORIF or Percutaneous pin placement
92
What am I? When am I used?
thumb spica scaphoid fracture
93
carpal tunnel is compression of the ______ at the ______
median nerve carpal tunnel
94
What are the risk factors for carpal tunnel syndrome?
Repetitive wrist movements Wrist injury Pregnancy Sedentary lifestyle Familial (idiopathic) Multiple systemic conditions
95
burning, tingling pain in the hand worse with activity and at night pain may radiate into elbow or shoulder What am I? What special PE findings?
carpal tunnel syndrome Tinel’s and Phalen’s signs Carpal compression test The hand elevation test Grip weakness Thenar atrophy (late)
96
How do you dx carpal tunnel? What is the management?
EMG/NCS Activity modification Cock-up wrist splint Corticosteroid injection Refer for to ortho for carpal tunnel release
97
What are the indications to refer to ortho for carpal tunnel?
Failure of > 3 months of conservative therapy Objective neurologic findings or thenar muscle atrophy
98
What is the MC fracture of the hand? Where?
boxer's fracture Fracture of the 4th and/or 5th metacarpal that results from a closed fist striking an object
99
What am I? What pt population? These are the most likely to be _____
boxers fracture MC in adults Boxer’s fracture are most likely to be **malrotated**
100
______ hand fx is MC in children. Which one specifically?
Phalangeal Fractures Involving the physis (growth plate) of the 5th phalange
101
What is the MC phalangeal fx in adults?
The distal phalanx is the most commonly injured
102
What is the tx for a metacarpal neck fx with >30° angulation?
reduce!! then splint/cast
103
What is the tx for metacarpal neck fracture with < 30° angulation? What if 2nd or 3rd metacarpal? 4th or 5th?
splint for 2-3 weeks!! 2nd and 3rd metacarpal = Radial Gutter Splint 4th or 5th metacarpal = Ulnar Gutter Splint
104
What am I? When am I used? What should be changed about this picture?
Ulnar gutter splint 4th and 5th metacarpal bone fractures wrist should be in neutral position NOT extended
105
What am I? When am I used?
radial gutter splint fx of the 2nd or 3rd metacarpal bones
106
What is the tx for non-displaced fractures of the 2-5th phalangeal shaft?
Phalangeal fracture - buddy tape or aluminum splint
107
What is the management of a non-displaced 1st metacarpal/phalangeal fx?
Thumb-spica splint, wrist in neutral position
108
What is the tx for a non-displaced/non-articular 1st metacarpal base?
Thumb spica splint/cast x 4 wks
109
What is the tx for displaced/angulated metacarpal/phalangeal shaft fracture or intra-articular fractures?
Refer/consult ortho for further evaluation Closed vs open reduction and fixation aka its orthro's problem now :)
110
What is important to remember about buddy taping?
Need to tape above and below the proximal DIP joint
111
What is gamekeeper's thumb? (skier's thumb) What is the MOI?
Rupture of the ulnar collateral ligament of the 1st MCP joint forced radial abduction
112
What action will pts with gamekeeper's thumb NOT be able to do well?
weak pincer function thumb is very unstable
113
How do you dx gamekeeper's thumb? What is the management?
dx: 1st phalange finger series tx: Thumb spica splint Refer to ortho for surgical repair
114
What is mallet finger? What is the MOI?
A rupture, laceration, or avulsion of the extensor tendon at the distal phalanx Hyperflexion of DIP
115
What am I? What is the clinical presentation? ROM?
mallet finger DIP is flexed at 40° with the INABILITY to actively extend passive ROM is intact
116
**What are mallet fingers associated with?
**May be associated with an avulsion fx of the distal phalanx
117
What is the tx for mallet finger? For how long? What is an important pt education point?
DIP in full extension x 4-8 weeks Splint can not be removed
118
If mallet finger is not treated properly, ______ is likely going to be the result. What is it?
swan neck deformity Hyperextension of PIP with flexion of DIP
119
What is Boutonniere deformity? What is the MOI?
Rupture of the central slip of the extensor tendon where it inserts on the middle phalanx Forced flexion of the PIP
120
What am I? How will the pt present? What will the pt complain of?
Finger is held partially flexed at the PIP and extended or hyperextended at the DIP Swelling, PAIN, point tenderness along the dorsal PIP with limited ROM
121
In boutonniere deformity, what can the pt NOT do?
Inability to fully extend the PIP - remains flexed at 30°
122
What is the tx for Boutonniere deformity? When do you need to refer to ortho?
Splint PIP in extension leaving DIP free x 4-8 wks. If conservative therapy fails Associated irreducible PIP dislocation Associated open fx
123
What is De Quervain Tenosynovitis? What is the etiology?
Inflammation of the tendon sheath covering the extensor/abductor tendons of the thumb overuse
124
How will De Quervain Tenosynovitis present? How do you dx?
Aching pain and point tenderness along the radial aspect of the wrist with use, pain may radiate up the arm Finkelstein test is diagnostic
125
How do you perform Finkelstein test?
Ulnar deviation of an adducted thumb reproduces pain
126
What is the tx for De Quervain Tenosynovitis?
Thumb spica splint Activity modification NSAID’s refer to ortho is conservative tx fails -injections into tendon sheath -Surgical release of the first dorsal compartment
127
What is a ganglion cyst? What is it filled with? Where are the MC location? Who is the MC pt?
A fluid-filled swelling overlying a joint or tendon sheath Filled with clear, gelatinous, sticky, or mucoid fluid dorsal aspect of the wrist MC in females ages 10-40
128
How will a ganglion cyst present? **What is the highlighted one from lecture? What is a PE test that may help differentiate?
Localized intermittent pain/tenderness Cyst is firm, SMOOTH, rounded, rubbery **May fluctuate in size over time** Transillumination will help differentiate cyst from solid lesion
129
What dx do you need to order in a ganglion cyst? Why?
X-ray -> Rule out bony pathology US or MRI may be used if atypical presentation
130
What are the 3 management options for a ganglion cyst?
Observation -> Most will spontaneously regress Aspiration, with or without injection of a corticosteroid Surgical removal
131
_____ is an idiopathic dysfunction of the flexor tendon of the finger as is glides through the tendon sheath. What is it due to? What digits are most commonly affected?
trigger finger Often due to a discrepancy in the size of the tendon and is sheath 3rd and 4th digits are most commonly affected
132
What is the presentation of trigger finger? When is it worse? _____ is present on the palm
Catching, snapping or locking of the involved finger(s). Pain and dysfunction. Often worse upon awakening Painful nodule on the palm
133
What is the tx for trigger finger?
NSAIDs, +/- corticosteroid injection into the tendon sheath (up to 2) failed conservative therapy -> sx release
134
Trigger finger pts who also have _____ are at an increased risk for ______ and should only have 1 injection
RA tendon rupture
135
______ is progressive fibrosis of the palmar fascia. Who is the MC pt? **What finger is MC?
Dupuytren Contracture men > 50 yrs old **4th phalange is most common
136
What are the 6 risk factors for Dupuytren Contracture?
Epilepsy DM pulmonary disease alcoholism smoking repetitive vibrational trauma
137
How will Dupuytren Contracture present? What happens as a result?
One or more painless nodules near the distal palmar crease The nodules gradually thicken leading to a cord that contracts
138
What am I? Describe the ROM
Dupuytren Contracture flexion is normal but extension is LIMITED
139
How do you dx Dupuytren Contracture? What is the tx?
clinical!! no testing needed night splinting may slow progression but NOT curative sx release
140
When is sx release indicted in Dupuytren Contracture? What does it involve?
Indicated if a 30° fixed flexion of the MCP Involves excising the thickened soft-tissue bands and release of the joint contractures
141
The brachial plexus is an extension of what nerve roots?
C5-T1
142
What are the 3 mechanisms of injury that can result in a brachial plexus syndrome?
1. Traction force 2. Direct blow to the top of the shoulder 3. Stretching of the plexus when the arm is abducted forcefully
143
_____ MOI of brachial plexus syndrome is caused when the shoulder is forcefully depressed & the head / neck are tilted toward the opposite side. What roots?
Traction force Damages C5, C6, and C7 roots
144
Direct blow to the top of the shoulder MOI of brachial plexus syndrome causes damage to what nerve roots?
Damages C5, C6, and C7 roots
145
_____ MOI of brachial plexus syndrome is caused when the pt grabs something while falling. What nerve roots are damaged?
Stretching of the plexus when the arm is abducted forcefully C8 and T1 roots
146
What is the presentation of brachial plexus syndrome?
Sharp, burning shoulder pain with radiculopathy in the affected nerve root distribution weakness is common but not necessary
147
What 3 things should be included in your PE for brachial plexus syndrome?
Evaluate sensation to light touch, motor function, & DTRs
148
What are the 4 s/s associated with Horner's syndrome? What are the associated damaged nerve roots?
ipsilateral ptosis, myosis, anhidrosis and enophthalmos C8- T1
149
What nerve root is responsible for the following actions? Elbow flexion Shoulder abduction Elbow flexion wrist extension sensory thumb and radial hand abduction of the fingers finger flexion wrist flexion and finder extension elbow extension
150
_____ is the best visualization of the spinal cord and nerve roots. When is it indicated?
MRI Indicated if: x-rays are abnormal or symptoms persists
151
What is the tx for brachial plexus syndrome?
Strengthening and stretching exercises Splinting in neutral position of any joints affected by paralyzed muscles Encourage PROM to reduce joint stiffness or tendon constrictors
152
Athletes must have a ______ of _____ and normal PE before allowed to return to activity
complete resolution symptoms
152
What are the 6 structures involved in thoracic outlet syndrome?
First rib Subclavian artery Subclavian vein Brachial plexus Clavicle Lung apex
153
What is thoracic outlet syndrome? Who is the MC pt?
Compression of the brachial plexus and/or subclavian vessels as they exit the narrow space between the superior shoulder girdle and the 1st rib Most commonly affects women 20-50 y/o
154
What is the presentation of thoracic outlet syndrome? **What tends to make s/s worse?
Aching pain/paresthesia due to compression of the brachial plexus Intermittent swelling and discoloration due to compression of the vascular structure Fatigue, weakness, and aching pain of extremity **Symptoms are often exacerbated by lifting the arm above the head
155
During the PE of thoracic outlet syndrome, you want to assess what 4 things?
Inspect for swelling / discoloration Palpate the supraclavicular fossa to assess for a mass Palpate for distal UE pulses Check sensation & motor function cervical nerve roots
156
What special PE test is used to check for thoracic outlet syndrome? Describe it. What is a positive result?
Elevated arm stress test Both shoulders abducted at least 90 degrees and supported posteriorly. The patient opens & closes fists at a moderate speed for 3 minutes. POSITIVE test if reproduced neuro &/or vascular s/s
157
What imaging should you order in thoracic outlet syndrome? why?
AP & lateral C-spine: Rule out congenital anomalies (cervical rib or overly long transverse process of C7) PA/lateral CXR: Help rule out apical lung tumors MRI: May be warranted to rule out cervical disc rupture or cervical spondylosis
158
What is the tx for thoracic outlet syndrome?
159
161