Certified Wound Ostomy Nurse (CWON) Practice Test

What is a local presentation in phase 1 of necrotizing fasciitis?

1. Small blisters

2. Erythema and edema

3. Abscess formation

4. Pustules

The correct answer is: Erythema and edema

In the initial phase of necrotizing fasciitis, the local presentation typically includes erythema and edema. This is due to the rapid proliferation of bacteria that invade the subcutaneous tissue, leading to a significant inflammatory response. The local inflammation manifests as redness (erythema) and swelling (edema), which are hallmark signs signaling the body's attempt to combat the infection. During this phase, patients may present with pain that is often disproportionate to the clinical findings. The erythema and edema indicate that the tissue is affected, and as the infection progresses, these signs can become much more pronounced. Other presentations like small blisters or abscess formation usually occur in later stages of the condition, as the necrotizing process escalates and tissue death ensues, but during the early phase, erythema and edema are predominant indicators.