Musculoskeletal Flashcards
You think a patient may have an osteoid osteoma due to his complaints of severe night pain. You set him up for an x-ray, but in the meantime what medication do you start him on?
Ibuprofen, if it is truly an osteoid osteoma ibuprofen will resolve his pain.
You suspect a patient has polyarteritis nodosa what is test for definitive diagnosis and what is the treatment?
Biopsy, high dose steroids
You recommend bisphosphonates for a patient with osteoporosis. What instruction do you give her for immediately after taking the medication.
Remain upright for 30 minutes
Which way does a Colles fracture angulate dorsal or volar? What about a Smith fracture?
Colles = Dorsal, Smith = Volar
Which type of arthritis RA or OA do patient complain about stiffness that improves as the day goes on?
Osteoarthritis
Which of the four rotator cuff muscles is most commonly injured?
Supraspinatus
Where are Heberden’s nodes found?
DIP joints
Where are Bouchard’s nodes found?
PIP joints
What would you expect the WBC count to be in the joint fluid of an infected knee?
> 50,000 at a minimum and probably much higher
What will an x-ray show in acute osteomyelitis?
Nothing - it will show bone destruction in chronic osteomyelitis
What uric acid level helps to confirm a diagnosis of gout?
7.5
What test do you do for Sjogren’s syndrome?
Schirmer test
What medication is used for patients with lupus?
Systemic steroids
What ligament is most commonly injured in an ankle sprain?
ATF
What is the treatment for gout?
Allopurinol, Colchicine
What is the name for a 4th and 5th metacarpal fractures that typically occur secondary to punching a wall.
Boxer’s fracture
What is the most useful physical exam test for diagnosing and ACL tear?
Lachman’s, followed by anterior drawer
What is the most common knee injury?
Medial meniscal tear
What is the most common fracture in children?
Clavicle
What is the most common fracture in a patient with osteoporosis?
Vertebral bodies, compression fracture followed by hip fracture
What is the most common cause of C-spine fractures?
MVA
What is the most common cause of a hip dislocation? Is it usually anterior or posterior?
MVA, posterior
What is the medical term for tennis elbow?
Lateral epicondylitis
What is the medical term for hunchback?
Kyphosis
What is the medical term for golfer’s elbow?
Medial epicondylitis
What is the first line treatment for rheumatoid arthritis?
Methotrexate
What is the first line treatment for carpal tunnel?
Night splint
What is the best imaging to diagnose osteomyelitis?
Bone scan or MRI
What is the age range for osteosarcoma? Where are thy most typically found in the body?
15-25 year old males, most commonly found around the knee
What is another term for podagra?
Gout
What fracture is the #1 cause of compartment syndrome?
Tibial shaft fracture
What carpal bone has a high rate of nonunion and occult fracture?
Scaphoid
What are the Four muscles of the rotator cuff?
Commonly referred to as th SITS muscles they are Supraspinatus, Infraspinatus, Teres minor, Subscapularis
Vasculitis related to hep B history
Polyarteritis Nodosa
There is a sunburst appearance on x-ray. What diagnosis should you be thinking of?
Osteosarcoma
Tenderness over the anatomical snuffbox is indicative of what fracture?
Scaphoid
Scleroderma limited version has five main characteristics for which the CREST acronym is often used. What are those five things?
Calcinosis, Raynaud’s, Esophageal motility, Sclerodactyly, Telangiectasia
Rheumatoid arthritis patient heading to the OR for open reduction and internal fixation of the ankle. In addition to ankle films what other x-rays should you get?
C-spine, anesthesia will want them due to concerns about instability of C1 & C2
Patient with HIV presents with severe groin pain. What diagnosis should you be thinking of?
Avascular necrosis of the femoral head. Antiretroviral put patients at an increased risk of AVN.
Patient with a history of hep B presents c/o of bilateral knee pain, fever and weight loss. What diagnosis should you be thinking of?
Polyarteritis Nodosa
Patient presents with progressive neck and proximal muscle weakness. They also have a reddish purple maculopapular rash. It is also noted that she has anti Jo 1 antibodies. What diagnosis should you be thinking of?
Polymyositis
Patient presents with painless mass in her right wrist. What diagnosis should you be thinking of?
Ganglion cyst
Patient presents with knee pain following a soccer game two days ago. He has joint line tenderness medially and feels a locking in the knee from time to time. What two physical exam tests should you do?
This is probably a medial meniscal tear. Mcmurry and Apply tests would be appropriate.
Patient presents with conjunctivitis, urethritis, arthritis and oral lesions. What diagnosis should you be thinking of? What other lab might you expect to be positive?
Reactive arthritis, HLA B-27
Patient presents to the ER after taking a baseball bat to the knee. He is unable to actively extend his knee. What diagnosis should you be thinking of?
Patella fracture
On physical exam you notice ulnar deviations and swan neck deformities. What diagnosis should you be thinking of?
Rheumatoid arthritis
List three medication that may cause lupus.
Procainamide, Isoniazid, Quinidine
Give the dexa score for osteopenia? Osteoporosis?
Osteopenia = 1 to 2.4 standard deviations, osteoporosis = 2.5 standard deviations
Describe the characteristics of a lytic lesion on x-ray
Spiculated, elevated periosteum, bone destruction (think bad, very bad things)
Clicking or locking of the knee indicates what diagnosis?
Meniscal tear
Carpal tunnel affects what nerve and what parts of the hand?
Median nerve. Thumb, pointer and ring fingers. Thenar wasting is sign of advanced disease.
At what age should you begin ordering dexa scans for male patients? Female patients?
70 for males, 65 for females
Are most shoulder dislocations anterior or posterior?
Anterior
Anti jo antibodies should make you think of what diagnosis?
Polymyositis
Anatomically where are 80% of clavicle fractures located?
Middle third
African American female presents with malar rash and a positive double stranded DNA antibody. What diagnosis should you be thinking of?
Lupus
A positive straight leg test indicates what diagnosis?
Herniated disc
A positive Phalen and Tinel’s sign indicates what diagnosis?
Carpal tunnel
A positive Neer’s test indicates what diagnosis?
Rotator cuff tear
A positive Mcmurry indicates what diagnosis?
Meniscal tear
A positive Hawkin’s test indicates what diagnosis?
Rotator cuff tear
A positive Finkelstein’s test indicates what diagnosis?
de Quervain’s tenosynovitis
A positive cross over test indicates what diagnosis?
AC joint injury
A positive Apley indicates what diagnosis?
Meniscal tear
A patient’s lab work shows positive smith antibody and positive double stranded DNA antibodies. What diagnosis should you be thinking of?
Lupus
A patient presents to the ER with saddle anesthesia and loss of bowel and bladder function. What diagnosis should you be thinking of?
Cauda equina
A patient has a silver fork deformity on x-ray. What diagnosis should you be thinking of?
Colles fracture
A pathology report comes back with positive birefringent crystals. What diagnosis should you be thinking of?
Pseudogout
A pathology report comes back showing negatively birefringent crystals. What diagnosis should you be thinking of?
Gout
A new mother presents with pain over the radial wrist. She has a positive Finkelstein’s test. What diagnosis should you be thinking of?
de Quervain’s tenosynovitis
A fat pad sign on a lateral x-ray has what significance?
Blood in the joint indicating a fracture even if the fracture line cannot be seen.
A bamboo spine indicates what diagnosis?
Ankylosing Spondylitis
A 65 year old presents complaining of severe pain in his great toe. It is swollen, red and very tender. What diagnosis should you be thinking of?
Gout would be number one because of the location, but you might also think about an infection.
95 year old female presents to ER after a fall in her home. Her left leg is shortened and externally rotated. What diagnosis should you be thinking of?
Hip fracture
46 year old male comes into ER limping a little on the right side. He states that it felt as though he was kicked in the back of the leg during a soccer game, but clearly know one was behind him. What diagnosis should you be thinking of?
Achilles rupture
22 year old male patient presents with what is clearly a septic knee. You also notice lesions on his hands and feet. What is the most likely pathogen?
Neisseria gonorrhoeae
15 year old boy presents complaining of night pain in the pelvis. Since you have no idea what to do you order an x-ray. The report comes back with a description of a mass with “onion skin.” What diagnosis should you be thinking of?
Ewing Sarcoma