The Silent Finisher: Morganella in Diabetic Foot Ulcers
Update: 2025-12-16
Description
Dr. G breaks down Morganella morganii — a gram-negative, urease-producing opportunist that appears in late-stage diabetic foot ulcers when tissue is necrotic, hypoxic, and antibiotic-weakened.
The episode covers its origin, why it thrives in alkaline, chronic wounds, typical clinical signs, diagnostic pitfalls in polymicrobial cultures, intrinsic resistances (eg, ampicillin), treatment priorities like deep cultures, targeted antibiotics, aggressive debridement, and vascular assessment.
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