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Medical Reading Skills 101 – Text A

Text A

Necrotizing fasciitis (NF) is a severe, rare, potentially lethal soft tissue infection that develops in the scrotum and perineum, the abdominal wall, or the extremities. The infection progresses rapidly, and septic shock may ensue; hence, the mortality rate is high (median mortality 32.2%). NF is classified into four types, depending on microbiological findings.

Table 1 Classification of responsible pathogens according to type of infection:

Microbiological type Pathogens Site of Infection Co-morbidities
Type 1 (polymicrobial) Obligate and facultative anaerobes. Trunk and perineum Diabetes mellitus
Type 2 (monomicrobial) Beta-hemolytic streptococcus A Limbs
Type 3 Clostridium species Gram-negative bacteria Vibrios spp. Aeromonas hydrophila. Limbs, trunk and perineum Trauma Seafood consumption (for Aeromonas)
Type 4 Candida spp. Zygomycetes Limbs, trunk, perineum Immunosuppression.

  • Question of

    Necrotizing fasciitis affects:

    • Only men.
    • Men and women.
    • Men who have a family history.
    • Anyone who has other comorbidities.

    Correct Wrong

  • Question of

    Septic shock:

    • Is a possibility that precedes NF.
    • Is a possibility that follows NF.
    • Is an integral consequence of NF.
    • Is least experienced by many.

    Correct Wrong

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