Necrotizing fasciitis
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Summary of Necrotizing fasciitis
Necrotizing fasciitis is a rapidly progressing, life threatening soft tissue infection caused by a toxin producing bacterium, characterized by widespread fascial necrosis and relative sparing of underlying muscle. These patients feel much worse than suggested by their clinical appearance and may demonstrate systemic signs of sepsis including fever, dehydration, hypotension, and electrolyte imbalance.
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Pathology
Integumentary system
Pigmented skin disorders
Acneiform skin disorders
Papulosquamous and inflammatory skin disorders
Keratotic skin disorders
Vesiculobullous skin disorders
Desquamating skin disorders
Skin integrity disorders
Skin infections
Cellulitis
Erysipelas
Impetigo
Necrotizing fasciitis
Human papillomavirus
Varicella zoster virus
Poxvirus (Smallpox and Molluscum contagiosum)
Coxsackievirus
Herpes simplex virus
Candida
Malassezia (Tinea versicolor and Seborrhoeic dermatitis)
Pediculus humanus and Phthirus pubis (Lice)
Sarcoptes scabiei (Scabies)
Human herpesvirus 6 (Roseola)
Parvovirus B19
Varicella zoster virus
Measles virus
Rubella virus
Skin neoplasms
Hair and nail disorders
Integumentary system pathology review
AssessmentsNecrotizing fasciitis
Necrotizing fasciitis
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Flashcards
Necrotizing fasciitis
7 flashcards
Questions
USMLE® Step 1 style questions USMLE
9 questions
USMLE® Step 2 style questions USMLE
9 questions
Preview
A 35-year-old woman comes to the emergency department because of pain and swelling of her right lower extremity for the past day. She says that she had a fall two days prior which resulted in a puncture wound to her right lower extremity from landing on a fallen branch. Physical examination shows redness, swelling, paresthesias, a large area of gangrenous skin, and crepitus upon palpation in the right lower leg. Within hours the area of redness extends towards the right knee and right thigh with extreme tenderness on exam. Which of the following organisms is most likely to be found in this patient's wound?
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