Orthopedics PANCE Flashcards
At what age should you begin ordering DEXA scan’s for male patients? What about female patients?
70 for males, 65 for females
Give the DEXA score for osteopenia and osteoporosis
Osteopenia 1 to 2.4
Osteoporosis 2.5 or greater
What fracture is the number one cause of compartment syndrome
Tibial shaft fracture
A patient’s lab work shows positive Smith anti-body and positive double-stranded DNA anti-bodies. What is the most likely diagnosis
Lupus
Where are Bouchard’s nodes found
Proximal interphalangeus joint (PIP)
What will an x-ray show in acute osteomyelitis
Nothing. It will show bone destruction in chronic osteomyelitis
What is the best imaging to diagnose osteomyelitis
Either a bone scan or an MRI will provide the diagnosis
A 22-year-old male patient presents with what is clearly a septic knee. You noticed lesions on his hands and feet what is the most likely pathogen?
Neisseria gonorrhea
What would you expect the WBC count to be in the joint fluid of an infected knee
Greater than 50,000 at a minimum and probably much higher
A patient presents with a painless mass in her right wrist. What is the most likely diagnosis
Ganglion cyst
What is the age range for osteosarcoma? Where are the most typically found in the body
Osteosarcoma usually occur in 15 to 25-year-old males and are most commonly found around the knee
You think a patient may have an odteiod 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?
If it is truly an osteoid osteoma ibuprofen will resolve this pain
Clicking or locking of the knee indicates what diagnosis
Minuscule tear
A 65-year-old presents complaining of severe pain in his great toe that began when he woke up this morning. It is swollen, red, and very tender. What is the most likely diagnosis
Gout would be the number one but you also need to consider an infection
What uric acid level helps to confirm a diagnosis of gout
Greater than 7.5
What is the medical treatment for gout
Allopurinol and Colochicine
A pathology report comes back with positive birefringment crystals. What is the most likely diagnosis
Pseudogout
A patient with a history of hepatitis B presents complaining of bilateral knee pain, fever and weight loss. What is the most likely diagnosis
Polyarteritis nodosa
You suspect the patient has polyarteritis nodosa. What is the test for a definitive diagnosis and what is the treatment
Biopsy, high-dose steroids
On physical exam, you notice ulnar deviation and swan neck deformities. What is the most likely diagnosis
Rheumatoid arthritis
A positive neers test indicates which diagnosis
Rotator cuff impingement
List three medications that may cause lupus
Procainamide, isoniazid and Quinidine
What test do you do for sjogren syndrome
Schirmer test
A patient with rheumatoid arthritis is heading to the OR for an open reduction and internal fixation of the ankle. In addition to ankle films, what other x-ray should you get
C-spine, anesthesia will want them due to concerns about instability of C1 and C2
Which carpal bone has a higher rate of non-union in occult fracture
Scaphoid
What medication is used for patients with lupus
Systemic steroids
Scleroderma limited version has five main characteristics for which the crest acronym is often use. What are those five things
Calcinosis, Reynards, Esophageal dysmotility, Sclerodactyly, telangiectasia
There is a Sunburst appearance on x-ray. What is the most likely diagnosis
Osteosarcoma
Anatomically where are 80% of clavicle fractures located
Middle third
A pathology report comes back showing negatively birefringment crystals. What is the most likely diagnosis
Gout