ToL EM Ortho/Rheum Flashcards
A cervical neck sprain presents with paraspinal muscle tenderness and spasm and what positive special test?
Spurling test
What is a + spurling test?
Pain with axial loading of the cervical spine
What imaging is diagnostic for cauda equina syndrome?
MRI
What fracture location is the most common site of radial nerve injury?
Hummerus fracture
What signs seen on xray indicate a distal humerus fracture?
Posterior fat pad sign/sail sign
What is the appropriate splint for a distal humerus fracture?
sugar tong splint
What is the appropriate splint for a humeral shaft fracture?
Coaptation splint
What type of fracture do you suspect in a pediatric patient who fell on an outstretched arm, has elbow pain, and anterior fat pad sign is seen on XR?
Supracondylar fracture
Fun fact - it is the most common pediatric elbow fracture.
What fracture presents with pain and tenderness along the lateral aspect of the elbow, with particularly painful pronation/supination?
Radial head fracture
What are the two methods of reducing a nursemaids elbow?
Supination flexion (preferred) and hyperpronation
What bone is fractured in a nightstick fracture?
the ulna
A proximal ulnar shaft fracture with radial head dislocation is known as a ____ fracture.
Monteggia
What is a Galeazzi fracture?
a distal radial fracture with dislocation of the ulna
A distal radius fracture with dorsal angulation is known as a _____ fracture, while a distal radius fracture with ventral angulation is known as a _______ fracture.
Colles
Smith
A FOOSH injury with snuffbox tenderness should be treated as what type of fracture?
Scaphoid fracture
What is a severe complication of scaphoid fractures?
Avascular necrosis, most commonly of the proximal pole of the fractured bone.
What type of splint should be applied to a scaphoid fracture?
Thumb spica
What type of splint should be applied to a boxers fracture?
An ulnar gutter splint
What is the most common type of shoulder dislocation?
Anterior dislocation
What is the classic presentation of a patient with an anterior shoulder dislocation?
Arm abducted and externally rotated after a FOOSH injury
What is the classic patient presentation of a posterior shoulder dislocation?
Arm adducted and slightly internally rotated.
Where is a bankart lesion located?
The anterior inferior glenoid
Where is a hill-sachs lesion located?
Posterior superior humeral head
What is a severe complication of femoral neck fractures?
AVN of the femoral head
What artery supplies the majority of blood to the femoral head?
The medial circumflex artery
What is the classic positioning of a hip/leg after a hip dislocation?
Leg shortened, internally rotated/ and adducted
What imaging should be ordered after a knee dislocation to rule out popliteal artery injury?
CTA
How can you check the peroneal nerve for function after a severe knee injury?
Check for foot drop
A knee XR with joint space narrowing, osteophytes, and subchondral sclerosis is suggestive of ______.
Osteoarthritis
List 4 physical exam findings that warrant an ankle XR after ankle/foot injury.
Pain along lateral malleolus
Pain along medial malleolus
Midfoot pain
Unable to walk >4 steps in exam room
What is the most common presentation of gout?
Men >30 with asymmetric great toe pain, swelling, and redness.
What does joint aspiration analysis reveal in cases of gout?
Rod shaped negatively birefringent crystals
What does joint aspiration analysis reveal in pseudogout?
Rhomboid shaped calcium pyrophosphad crystals, positively birefringent
What is the treatment for gout flares?
NSAIDs
What are the options for gout prophylaxis?
Allupurinol, cholchicine, probenecid
What is the most common pathogen seen in osteomyelitis?
Staph aureus
What is Potts disease?
Osteomyelitis of vertebrae caused by TB
What is the triad of XR findings seen in osteomyelitis?
Demineralization, periosteal reaction, and bone destruction
What are the most common joints involved in septic arthritis?
Knee and hip
What is the most common pathogen in septic arthritis?
Staph aureus
What pathogen do you consider in septic arthritis in sexually active young adults?
Gonorrhea
What pathogen is commonly seen in septic arthritis in IVDU?
Pseudomonas
Is joint fluid aspirate with WBCs of 1200 diagnostic of septic arthritis?
Yes if it is a prosthetic joint. WBC count only needs to be higher than 1000.
In a non-prosthetic joint, what WBC count in joint fluid aspirate is diagnostic of a septic joint?
> 50k primarily PMNs
What is the treatment of a septic joint caused by staph aureus?
Vanco/nafcillin
What is the treatment for suspected gonococcal septic arthritis?
Ceftriaxone
What is the treatment for a septic joint in an IVDU?
Cirpi/levaquin + arthrotomy with joint drainage
What type of epicondylitis is known as tennis elbow?
Lateral epicondylitis
At what point do patients with medial or lateral epicondylitis qualify for surgery?
Patients who have failed steroid injections and 4-6 months of PT
Where do paresthesias and pain localize in cubital/ulnar tunnel syndrome vs. carpal tunnel syndrome?
Cubital/ulnar tunnel - unlar half of 4th finger and ulnar dorsum of hand
Carpal tunnel - first 3 digits and radial half of 4th
What special physical exam tests will be positive in carpal tunnel syndrome?
Phalen and tinel
What is the treatment for ulnar/cubital tunnel syndrome and carpal tunnel syndrome?
NSAIDs, nighttime bracing, activity mediation
What is the definitive treatment for cubital/ulnar tunnel syndrome?
Ulnar nerve decompression
What physical exam finding is positive in De Quervain’s tenosynovitis?
Finkelstein’s
What is the treatment for De Quervain’s tenosynovitis?
Thumb spica splint x 3 weeks, NSAIDs x10-14 days
Dupuytren contracture is associated with what medical condition?
Alcoholic cirrhosis
Avulsion of the extensor tendon at the DIP leading to forced flexion is known as?
Mallet finger
What is the treatment for mallet finger?
DIP Extension splint x 6 weeks
Describe a boutonniere deformity?
PIP flexion and DIP hyperextension
What is the mechanism of injury for a boutonniere deformity?
Jammed finger
A skin infection caused by HSV is called _______.
Herpetic whitlow
What is the name for an abscess in the tip of the finger?
Felon
What injury leads to a step off deformity or squaring of the shoulder?
AC joint separation
What is a speeds test evaluating for?
A SLAP lesion (Superior labrum anterior to posterior
What is the most commonly injured rotator cuff muscle?
Supraspinatus
What physical exam special tests evaluate for a supraspinatus injury?
Empty can test
Drop arm test
Full can test
What physical exam special tests evaluate for a subscapularis injury?
Lift off test
What is the treatment for adhesive capsulitis?
NSAIDs, PT, steroid injection
What physical exam special tests evaluate for subacromial impingement syndrome?
Neer test
Hawkins test
Drop arm
What is the most sensitive physical exam test for an ACL tear?
Lachman’s
What ligament injury would you suspect most after a valgus stress injury?
MCL tear - valgus stress is applied from the outside
What ligament injury would you suspect most from a varus stress injury?
LCL - varus stress is from the inside
What physical exam test evaluates for a meniscal tear?
McMurray test
What is the mechanism of injury for PCL tears?
Blow to the knee while flexed
What ligament is most commonly injured in rolled ankles?
ATFL
Why are ankle inversion injuries much more common than ankle eversion injuries?
The deltoid ligament is very strong and prevents ankle eversion in most cases