Skin + Joint Infection Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Difference between cellulitis + erysipelas

A

Cellulitis affects the dermis +subcutaneous tissue

Erysipelas is limited to the superficial skin

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

2 most common causes of cellulitis (bacteria)

A

Strep pyogenes

Staph aureus

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

Less common causes: where could you get these from?

Pseudomonas aureginosa
Pasturella multicoda
Strep pneumoniae

A

Pseudomonas aureginosa: hot tubs, nail puncture

Pasturella multicoda: cat or dog bites

Strep pneumoniae: after injury/ burns/

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

Presentation of cellulitis

A

Acute onset
Area is painful, swollen + erythematous

Assc: fever, malaise, nausea, rigors

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

Cellulitis: abx if systemically well
What abx
Daily dose
how many days

A

Oral flucloxacillin

500-1000mcg QDS

For 5-7 days

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

Management of cellulitis if systemically unwell

A

SEPSIS 6

IV abx + cultures

e.g. IV phenoxymethylpenicillin + flucloxacillin

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

Eron classification of severity in cellulitis (4)

A

I: no systemic toxicity, no uncontrolled comorbidities

II: comorbidity which may complicate resolution

III: significant systemic upset

IV: sepsis or severe life-threatening infection

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

Example of a rare life-threatening complication of cellulitis

A

Nec fac

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

What bacteria is septic arthritis usually caused by?

A

Staph or strep

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

RFs for septic arthritis

A

IVDU, cellulitis, abscess, endocarditis, chronic osteomyelitis

Artificial joint, prior arthritis, diabetes, immunocomp

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

Why is septic arthritis such an emergency?

A

Can cause total joint destruction in 24 hours

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

Features of articular joint pain

A

warm, tender, swelling around the entire joint, pain on movement in all directions

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

Features of peri-articular joint pain

A

OUTSIDE OF JOINT CAPSULE (e.g. bursitis/ tendonitis)

Tenderness + swelling localised to a small area, pain on passive movement, felt in limited plains

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which joint does septic arthritis most commonly affect?

A

Knee

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