Shared Flashcard Set

Details

Septic Arthritis and osteomyelitis
Test 2 Sem 2
24
Medical
Graduate
02/01/2011

Additional Medical Flashcards

 


 

Cards

Term
What are some signs of septic arthritis according the lecturer?
Definition
1) pain out of proportion
2) swelling/limited ROM
3) low grade temp
4) redness
5) warmth
Term
How does most bacteria enter the joint in septic arthritis?
Definition
via the bloodstream
Term
what suggests synovitis in the physical exam in septic arthritis?
Definition
pain with passive motion of a joint or palpation of the joint capsule
Term
What lab should be done with suspected septic arthritis? (4)
Definition
1) synovial fluid exam
2) WBC w/differential
3) CRP,ESR
4) Crystal exam
Term
Neisseria honorrhoeae most commonly affects what joint?
Definition
knees
Term
Treatment for N. Gonnorhea infections in septic arthritis?
Definition
1) ceftriaxone 2g IM or IV
2) ciprofloxacin 500mg BID
Term
What is the most common cause of septic arthritis especially in IV drug users?
Definition
S. auerus
Term
How is S. auerus infection treated for septic arthritis?
Definition
1) vancomycin 1 g IV
2) followed for 4-6 weeks with sensitive med
Term
What is the 2nd most common cause of septic arthritis, especially in diabetics?
Definition
Non-group A, hemolytic streptococci
Term
What is a common cause of osteomylitis in sickle cell patients?
Definition
salmonella
Term
What do you use to treat salomenall infections of osteomylitis?
Definition
quinolones
Term
elderly patients get septic arthritis with what?
Definition
prosthetic joints
Term
Which joints are more commonly affected with IV drug users?
Definition
Medium to large joints
Term
What is the most common infecting organism in people with prosthetic joints?
Definition
S. epidermidis
Term
What do you use to treat?
1) gram-positive cocci
2) gram-negative cocci
3) no organism health
4) no organism comorbid condition
Definition
1) vancomycin
2) ceftriaxone
3) ceftriaxone
4) vancomycin
Term
which bones are more commonly involved with osteomylitis for children 1-15 and adults?
Definition
children - femur and tibia
Adults - vertebral bodies
Term
What is the most common infecting organism seen in 60-90% of osteomylitis cases?
Definition
S. aureus
Term
What is the most common cause of osteomyltis in newborns?
Definition
GBS, gram-negative bacilli
Term
osteomylitis form vascular insuffiency is most commonly seen in patients with what?
Definition
1) diabetes mellitus
2) peripheral vascular disease from atherosclerosis
Term
What is the gold standard for diagnosis of osteomylitis?
Definition
bacterial cultures of bone specimens
Term
What should be the initial diagnostic test of choice for osteomylitis?
Definition
x-ray
Term
What is the treatment for hematogenous osteomylitis?
Definition
IV antibiotics for 4-14 days followed by oral antibiotics for 14-26 days in children. Adults 4-6 weeks of antibiotics
Term
What is the treatment of choice for S. aureus osteomylitis?
Definition
IV vancomycin for 2 weeks
Term
Mycobacterium marinum is acquired through exposure of what and involves what?
Definition
acquired through freshwater, seawater, swimming pool and fish tanks. Most commonly affects the MCP and PIP joints
Supporting users have an ad free experience!