NORCET-7 Mains-2024: Gas gangrene is also known as?

NORCET-7 Mains-2024

Medical & Surgical Nursing

Easy

Appeared in: NORCET-7 Mains-2024

Explanation

Gas gangrene is a life-threatening infection characterized by rapidly progressing necrosis (death) of muscle tissue, hence the term 'myonecrosis'.
It is primarily caused by bacteria of the Clostridium genus, most notably Clostridium perfringens.
The bacteria produce gas as a byproduct of metabolism, which accumulates in the tissue, a hallmark sign of the disease.
Therefore, 'Clostridial myonecrosis' is a precise medical term that describes both the causative agent (Clostridium) and the pathological process (myonecrosis).

Option B: Necrotizing fasciitis is an infection of the fascia (the connective tissue surrounding muscles), not the muscle itself. While severe, it involves a different tissue layer.
Option C: Shingles (herpes zoster) is a viral infection caused by the reactivation of the chickenpox virus. It affects nerves and causes a painful skin rash, which is completely different from the bacterial tissue destruction in gas gangrene.
Option D: Vasculitis is the inflammation of blood vessels. It is typically an autoimmune or inflammatory condition, not an acute bacterial infection causing tissue necrosis.

Clinical Relevance

Nursing practice connection: Knowing Synonyms and pathophysiology of gas gangrene helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Gas gangrene is a surgical emergency. A nurse must be able to recognize its signs: sudden, severe pain disproportionate to the injury, swelling, skin discoloration (pale, then bronze, then purplish-red), and crepitus (a crackling feeling under the skin).
Immediate nursing actions include notifying the surgical team, preparing the patient for emergency surgery (debridement), administering high-dose IV antibiotics (e.g., penicillin and clindamycin), and providing hemodynamic support.
What if? If a patient with a deep, contaminated wound develops severe pain and a low-grade fever but no crepitus is felt yet, the nurse should still have a high index of suspicion for gas gangrene. The absence of crepitus early on does not rule out the diagnosis, as severe pain is often the first symptom.

How to Approach the Question

First, identify the core concept in the question stem: 'Gas gangrene'.
Recognize that the question is asking for a synonym ('also known as'). This is a factual recall question.
Analyze the term 'gas gangrene'. 'Gangrene' implies tissue death (necrosis). 'Gas' refers to the production of gas by the causative organism.
Evaluate the options. 'Clostridial myonecrosis' breaks down into 'Clostridium' (the bacteria), 'myo' (muscle), and 'necrosis' (death). This perfectly describes gas gangrene.
Eliminate the other options by recalling their definitions: Necrotizing fasciitis affects fascia, Shingles is viral, and Vasculitis is blood vessel inflammation. This confirms the correct choice.

Concept Tested & Keywords

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