Created at 11:02 a.m. Sep, 30, 2024
Author: kfk13b
Co-authors: bootcamp_mnelson
Related Note: 1494885764622 1
Rationale for change

NSTI is a broader term encompassing dermis, fascia (necrotizing fasciitis), and muscle (gas gangrene). Difficult to descriminate between these based on CT scan alone.
Source: Other - Surgery: A Case Based Clinical Review

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Photo credit: James Heilman, MD, CC BY-SA 3.0, via Wikimedia Commons

- CT shows air in deep tissue

- Rapidly spreading group "A Streptococcus" or multipathogen fascial plane infection that causes significant soft tissue damage and systemic infection

- "H/P" : erythematous, warm, and swollen skin; loss of sensation in affected tissue; fever; crepitus in infected skin; purple staining; bullae over infected region

- Lab results show elevated WBC, ESR, and CRP; culture during operation is helpful in identifying the pathogen

- Radiology: Air collections under the skin can be found using computed tomography (CT) or X-rays

- Treatment: Quick surgical debridement, incision, and drainage; intravenous antibiotics

- Complications include gangrene, sepsis, and significant mortality (30% of patients)


Photo credit: Piotr Smuszkiewicz, Iwona Trojanowska and Hanna Tomczak, CC BY 2.0, via Wikimedia Commons
Lecture Notes
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Pathoma
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Boards and Beyond
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First Aid

Sketchy


Watch Streptococcus pyogenes (Group A Strep)
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Watch Postoperative Surgical Fevers




Watch Staph & Strep Skin Infections



Watch Debridement Overview
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Physeo
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Bootcamp
Watch associated Bootcamp video - Infectious Dermatologic Disease: Systemic Infectious Dermatologic Pathology (Toxic Shock Syndrome, SSSS, Necrotizing Fasciitis)

Watch associated Bootcamp video - Infectious Diseases of the Skin: Bacterial Infectious Diseases
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