L6 - Bone, Joint And Soft Tissue Presentation

Question 1

What are the features for erysipelas?

Answer 1

Edematous, circumscribed, hot, erythematous area with raised advancing border
Superficial skin infection
Central face or LE frequently invovled
Pain and systemic toxicity may be striking

Question 2

What is a common portal of entry for bacteria causing cellulitis of the LE?

Answer 2

Tinea pedis

Question 3

What are signs of joint inflammation?

Answer 3

Erythema, swelling, warmth, pain and loss of function

Question 4

What is septic arthritis?

Answer 4

Acute onset of inflammatory monoarticular arthritis, most often in large weight bearing joints and wrists

Question 5

What are common risk factors for septic arthritis?

Answer 5

Previous joint damage and injection drug use

Question 6

What are the sx of osteomyelitis?

Answer 6

Fever associated with pain and tenderness of involved bone

Question 7

What are the causes of osteomyelitis?

Answer 7

Hematogenous dissemination of bacteria
Invasion from a contiguous force of infection
Skin breakdown in the setting of vascular insufficiency

Question 8

Describe the diagnosis for osteomyelitis

Answer 8

Usually requires culture of bone biopsy

Must have specific organism as tx will need to be anywhere from 6-8 weeks

Question 9

What labs need to be done to confirm osteomyelitis?

Answer 9

ESR and CRP (will be elevated)

Radiographs early in the course are typically negative

Question 10

What is osteomyelitis?

Answer 10

Infection of bone