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Flashcards in Orthopaedic infections Deck (18):
1

Commonest cause of osteomyelitis?

Staph aureus

2

What can cause osteomyelitis in sickle cell anaemia?

Salmonella

3

Cause of gas gangrene?

Clostridium perfringens

4

Cause of type 2 necrotising fasciitis? Treatment?

GAS
penicillin + clindamycin (+ debridement...)

5

commonest 2 organisms in septic arthritis?

MSSA
streptococci

6

what antibiotic is used when patient is penicillin allergic?

Vancomycin

7

treatment of ARDS?

positive pressure ventilation

8

treating tetanus

surgical debridement
antitoxin
penicillin and metronidazole

9

extreme cases of gas gangrene treatment

hyperbaric oxygen

10

is coagulase negative staph part of normal skin flora

yes

11

are infants or adults at higher risk of septic arthritis

infants

12

prosthetic joint infection
Abx given pre op?
how many samples for culture?
minimum abx for ?

rx if coagulase +ve
rx if coagulase -ve

NO abx pre op
at least 3 samples for culture
minimum abx for 6 weeks


coag +ve > fluclox
coag -ve > clotrimazole, amoxicillin

13

prophylactic abx for prosthetic joint/implant op

co-amoxiclav
(co-trimoxazole if pen allergic)

14

symptoms of complex regional pain syndrome
which type involves nerve injury - 1 or 2

constant burning/throbbing
sensitivity to stimuli not normally painful
skin colour changes

type 1 - no nerve damage

15

permanent flexion of the hand and wrist

volkmanns ischaemic contracture

16

tomogram is used to detect ?

mandibular fracture

17

technetium bone scans are useful for ?

stress #s

18

what can cause chronic osteomyelitis

TB