kocher

Clinically

Unwell / irritable

Fever

Not feeding

Unable to weight bear / limp

Knee pain

Examination

Fever

Limited / painful ROM

Hip held flexed and externally rotated

- maximises volume of capsule

Lab tests

WCC > 12 000

ESR > 40

CRP > 10

Blood cultures

Epidemiology

Most common form of shoulder instability

- young males 

- M:F = 2:1

Aetiology

Indirect ER and abduction moment on arm

- disruption of anterior stabilisers

History

Initial injury

- severe pain in shoulder