VASCULAR
DIABETIC FOOT INFECTION
Prompt 
ResponseNecrotic second toe
Erythema with ?deroofed blister or desquamation of dorsum of mid/forefoot
Cellulitis extending into 1st and 3rd toes
Pus
Diagnosis:
Diabetic foot infection
Evidence of gangrene 2nd toe
Erythema with ?deroofed blister or desquamation of dorsum of mid/forefoot
Cellulitis extending into 1st and 3rd toes
Pus
Diagnosis:
Diabetic foot infection
Evidence of gangrene 2nd toe
PromptInvestigations in diabetic foot infection
ResponseCT angiogram of leg - define ischaemic status
XR foot - exclude gas gangrene
Wound swab - direct antimicrobial therapy
Ankle-brachial index - define macrovascular insufficiency
Blood culture - direct antimicrobials
CXR - pre-op given age and medical comorbidities
BSL - optomise BSL control
Renal function - given diabetes, may impact antimicrobial strategy
XR foot - exclude gas gangrene
Wound swab - direct antimicrobial therapy
Ankle-brachial index - define macrovascular insufficiency
Blood culture - direct antimicrobials
CXR - pre-op given age and medical comorbidities
BSL - optomise BSL control
Renal function - given diabetes, may impact antimicrobial strategy