Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

POD MED II > OM > Flashcards

OM Flashcards

1
Q

OM is the infection of?

A

bone and any of its components

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

T/F, primarily only bacterial?

A

F, can also be viral, fungal, parasitic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what are the types of OM?

A

hematogenous, acute
hematogenous, chronic
direct inoculation/extension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

predisposing factors?

A 
immunocompromised
DM
PAD
IVDU
sickle cell disease
inflammatory joint diseases
prosthetic joints
open fractures
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

infection in blood stream
acute and chronic
children-highly vascular metaphyseal long bones (tibia, fibula)
elderly-vertebral involvement in those older and IVDU

A

hematogenous OM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

pathogens that can cause hematogenous OM?

A

newborn-staph aureus
child, adult-same as above

immunocompromised-candida, asperigillus

IVDU-pseudomonas

sickle cell-salmonella

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

name this OM

infectious pathogen accesses bone secondary to a nearby localized infectious source from trauma

A

direct extension OM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

most important consideration about direct extension OM?

A

polymicrobial in the DM, immunocompromised

puncture wound through a shoe:pseudomonas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

important considerations of subacute OM?

A

Brodie’s abscess
common in tibia
lytic lesions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

imaging characteristics of chronic OM?

A

sequestrum
involucrum
cloaca

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

triad of causation for OM?

A

neuropathy
trauma
deformity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is the progression to major infection?

3 stages

A

arterial circulation that is inadequate to confine the infection

profound neuropathy

more aggressive bacterial superinfection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what is OM diagnosis based on?

A 
clinical
labs
radiographic findings
-XR, MRI, CT, nuclear med
bone biopsy
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

how does OM present clinically?

is probe to bone indicated?

A 
erythema, edema, calor
localized tenderness with palpation
soft tissue infection
decreased ROM
febrile
malaise

yes, use probe to reach bone, if so possible infection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what is the OM diagnosis?

A

consider chronicity
-wound present for 2 days with +PTB

-wound present for 2 months with +PTB

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

major labs for OM?

what is the value for ESR? meaning

A 
CBC with diff
BMP/CMP
CRP
ESR
Blood cultures

over 70 mm/hr

  • PPV 100%
  • NPV 83%
17
Q

in radiographs, Charcot changes over mistaken for?

A

OM

18
Q

what is TI in marrow edema for MRI?

A

decreased signal

19
Q

what is T2 in marrow edema for MRI?

A

increased signal

20
Q

what is the gold standard for OM diagnosis?

A

bone biopsy

21
Q

initial imaging study for OM?

most accurate imaging?

most accurate test overall?

A

plain film XR

MRI

Bone biopsy

POD MED II (75 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions