Surgical Infections
A 58-year-old diabetic man presents with a 36-hour history of rapidly progressive leg pain, swelling, and erythema following a minor laceration. He is febrile (39.2°C), tachycardic, and hypotensive. The affected limb shows dusky discoloration with crepitus on palpation. Serum lactate is 4.5 mmol/L. Regarding necrotizing soft tissue infections:
Mark each as TRUE or FALSE
Type I necrotizing fasciitis is polymicrobial (synergistic infection) involving mixed aerobic and an...
Type II necrotizing fasciitis is monomicrobial, most commonly caused by Group A Streptococcus (Strep...
Necrotizing fasciitis is a slow, indolent infection that progresses over weeks; crepitus indicates s...
Type III infections are caused by Clostridium species (gas gangrene) or marine Vibrio species (saltw...
Risk factors include diabetes mellitus, peripheral vascular disease, immunosuppression, obesity, int...
Answer the questions to see explanations
Click T (True) or F (False) for each option