A client is admitted with a wound infection of the lower leg. Which finding should the nurse report immediately?
1A small amount of serous drainage on the existing dressing
2An oral temperature of 37.7 C that decreases after fluids
3Rapidly spreading swelling with severe pain beyond the reddened area✓ Correct answer
4A white blood cell count of 11,800/mm3 without other changes on repeat testing
Explanation
Rapid progression and pain extending beyond visible skin changes are warning signs of necrotizing fasciitis. This infection can destroy tissue and cause sepsis quickly, requiring urgent surgical and antimicrobial evaluation.
Quick answer Escalate rapidly spreading swelling and pain beyond visible redness as a surgical emergency.
Why this is correct Necrotizing infection may advance along deep fascia faster than surface findings suggest. Severe pain out of proportion and rapidly expanding edema indicate aggressive tissue injury, so delays in surgical assessment can sharply increase morbidity and mortality.
Easy analogy or mental picture The infection can spread under the skin like fire moving behind a wall before flames are obvious. The analogy explains hidden progression but does not confirm the diagnosis or identify the organism.
Memory hook Pain beyond the picture plus rapid spread means necrotizing emergency.
NCLEX decision rule In a soft-tissue infection, prioritize rapid progression, disproportionate pain, systemic toxicity, bullae, or skin necrosis. These findings outweigh mild drainage, low-grade temperature change, or modest isolated leukocytosis.
Why the other choices are wrong Small serous drainage, a temperature below the usual fever threshold, and modest leukocytosis need monitoring but lack the rapid deep-tissue danger pattern.
References
[1]
NCSBN: 2026 NCLEX-RN Test PlanNational Council of State Boards of Nursing
[2]
Clinical Guidance for Type II Necrotizing FasciitisU.S. Centers for Disease Control and Prevention