# A 12-year-old child with sickle cell anemia is admitted to the emergency department with severe abdominal pain, vomiting, and a rigid abdomen. Vital signs are: temperature 101.2°F (38.4°C), heart rate 128 bpm, blood pressure 90/60 mmHg, respirations 28/min. Which nursing action should be the priority?

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## 문제

A 12-year-old child with sickle cell anemia is admitted to the emergency department with severe abdominal pain, vomiting, and a rigid abdomen. Vital signs are: temperature 101.2°F (38.4°C), heart rate 128 bpm, blood pressure 90/60 mmHg, respirations 28/min. Which nursing action should be the priority?

## 보기

1. Prepare the child for immediate surgical consultation and NPO status **✔ 정답**
2. Administer prescribed pain medication and monitor for relief
3. Initiate IV fluid therapy to prevent dehydration from vomiting
4. Apply warm compresses to the abdomen to relieve pain

**정답: 1**

## 해설

Severe abdominal pain with rigidity in sickle cell anemia requires immediate surgical evaluation to rule out acute abdomen. Pain management, IV fluids, and warm compresses are supportive but secondary when peritoneal signs are present.

## 심화 해설

Clinical Context & Initial Assessment

A 12-year-old with sickle cell anemia presenting with severe abdominal pain, vomiting, and a rigid abdomen, accompanied by fever (101.2°F / 38.4°C), tachycardia (128 bpm), hypotension (90/60 mmHg), and tachypnea (28/min), is in a critical state. The hallmark of this presentation is the rigid abdomen, a classic peritoneal sign that strongly suggests an acute surgical abdomen rather than an uncomplicated vaso-occlusive crisis (VOC). In sickle cell disease, the profound danger lies in a phenomenon termed diagnostic overshadowing, where common SCD symptoms such as pain and fever can mask infrequent but life-threatening conditions, leading to delayed recognition and suboptimal outcomes [1]. Here, the assumption that this is simply a severe pain crisis risks missing a catastrophic event like acute cholecystitis, splenic sequestration with infarction, or ischemic bowel.

Priority Nursing Action & Rationale

The priority nursing action is to prepare the child for immediate surgical consultation and NPO status. The clinical picture of a rigid abdomen with systemic signs of infection and hemodynamic instability points to an acute abdominal pathology requiring urgent surgical evaluation. Diagnostic overshadowing is a critical barrier in SCD care; the presence of a common SCD symptom like pain does not rule out a separate, emergent etiology [1]. Keeping the child NPO is essential to prevent aspiration during potential emergency surgery and to avoid exacerbating the underlying abdominal condition.

Analysis of Other Options

Administering prescribed pain medication (Option 2) is a standard intervention for VOC but is not the priority here. While pain control is important, medicating before a surgical evaluation can mask the evolution of peritoneal signs and delay the diagnosis of a condition requiring operative intervention. Initiating IV fluid therapy (Option 3) is a cornerstone of managing VOC by reducing blood viscosity, and it will be necessary for this patient who is vomiting and hypotensive. However, fluid resuscitation is a supportive measure that follows, not precedes, the recognition of a potential surgical emergency and the establishment of NPO status. Applying warm compresses (Option 4) is a comfort measure for localized VOC pain but is contraindicated when an acute abdomen is suspected, as it does not address the underlying pathology and wastes critical time.

Pathophysiology & Diagnostic Overshadowing

Sickle cell disease is characterized by chronic hemolysis and recurrent vaso-occlusion, which can cause microvascular damage in any organ, including the abdominal viscera [1]. This can lead to rare but severe complications such as splenic sequestration, mesenteric ischemia, or gallbladder necrosis, all of which can manifest with a rigid, painful abdomen. The danger of diagnostic overshadowing is that a clinician or nurse, upon hearing "sickle cell patient with pain," may immediately attribute the entire presentation to a routine VOC, overlooking the distinct, ominous sign of abdominal rigidity. The fever and tachycardia can be similarly overshadowed, being mistaken for the inflammatory response of a crisis rather than a marker of infection or tissue necrosis. The nurse's role is to recognize these atypical, high-risk features and advocate for a broader diagnostic workup, starting with a surgical consult, to prevent the delayed recognition that leads to poor outcomes [1].References (research sources)

- [1]Diagnostic Overshadowing and the Unseen Spectrum: A Narrative Review of Rare Complications in Sickle Cell Disease.Research articleNasiri A, Alshammari M, Alkharras R, Madkhali A, Mohammed Saleh MF, Alzahrani H. (2025) · DOI: 10.3390/clinpract15090156

## 임상 시나리오

Sickle Cell & Acute Abdomen: Avoid Diagnostic OvershadowingRigid abdomen is a surgical emergency until proven otherwise
In a child with sickle cell disease and severe pain, a rigid abdomen with fever and hypotension (90/60 mmHg) is a classic peritoneal sign. Do not assume it is a vaso-occlusive crisis. Diagnostic overshadowing—attributing new symptoms to the chronic illness—can delay treatment of life-threatening conditions like acute cholecystitis or ischemic bowel.

The priority nursing action is to prepare for immediate surgical consultation and maintain NPO status. Pain medication and IV fluids are secondary; they must not delay the surgical evaluation that will definitively rule out an acute surgical abdomen.

CautionNever apply warm compresses to a rigid, painful abdomen. This can mask evolving peritoneal signs and delay the diagnosis of a surgical emergency. Pain management should only be initiated after the surgical evaluation is complete or per the surgeon's order.

## 핵심 개념

- **Diagnostic Overshadowing** — A cognitive bias where a patient's symptoms are mistakenly attributed to an existing chronic condition, causing clinicians to miss new, acute, and potentially life-threatening illnesses.
- **Acute Surgical Abdomen** — A sudden onset of severe abdominal pain with signs of peritoneal irritation, such as rigidity and rebound tenderness, often requiring urgent surgical intervention.
- **Vaso-Occlusive Crisis** — The most common complication of sickle cell disease, caused by sickled red blood cells obstructing blood flow, leading to ischemic pain but typically not causing a rigid abdomen.
- **Peritoneal Irritation** — Inflammation of the peritoneum, the lining of the abdominal cavity, which manifests clinically as a rigid, board-like abdomen and indicates a serious intra-abdominal process.

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