MICI 4218 Lecture Notes - Lecture 22: Desquamation, Debridement, Asplenia
12 May 2021
School
Department
Course
Professor
Document Summary
Mici 4218 lecture 22 march 8, 2021 skin & soft tissue infections (sstis) Large, complex organ that protects the body: surface area of ~1. 9 m2, consists of, epidermis / dermis, appendages (hair follicles, sweat glands, acts as a physical barrier against microorganisms, protects from desiccation. Classification of sstis: simple uncomplicated (mostly gram-positive; typically caused by staph and strep, cellulitis. Impetigo: erysipelas, simple abscess, furuncles (boils, complicated (gram-negative & gram-positive, decubitus ulcers, necrotizing fasciitis, cellulitis, gangrene. Inflammation with little or no necrosis, edema: acute, spreading infectious process affecting epidermis and dermis, fever, chills, leukocytosis, bacteremia up to 30% of cases, complications: abscess and osteomyelitis, staphylococcus aureus, streptococcus pyogenes (group a streptococcus) Wound and soft tissue infections: surgical wounds, traumatic wounds, animal bites, burns, cellulitis / fasciitis / toxic shock syndrome, clostridial myonecrosis (gangrene) Myonecrosis or gangrene is typically associated with clostridia, particularly clostridium perfringen. However, myonecrosis or gangrene is usually polymicrobial in nature. Wound and soft tissue infections surgical wounds: aureus.
