Core Nursing Explanation
Key Concept Analysis: This question tests the fundamental nursing principle of
Assessment before Intervention in the context of a post-operative patient with new, severe symptoms. The client is 2 days post-
sigmoid colectomy for diverticulitis and reports severe abdominal pain and nausea. These symptoms could indicate a normal post-operative course, but the severity raises concern for complications like
paralytic ileus or
mechanical obstruction. The nurse's first action must always be to gather more data through a focused assessment to determine the cause and severity of the problem before taking action.
Answer Rationale:
Key Point! The correct answer is to
Assess bowel sounds and abdominal distension. This is the priority because it directly evaluates the function of the gastrointestinal (GI) tract. In the immediate post-operative period, the return of bowel function is a critical milestone. Severe pain and nausea, especially when new or worsening, are red flags. Assessing for the presence/absence of bowel sounds and the degree of abdominal distension provides essential information to differentiate between expected post-op discomfort and a serious complication like an ileus or early obstruction. This assessment guides all subsequent interventions.
Distractor Analysis:
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Watch out for confusion! Administer the prescribed antiemetic medication (Option 1): While treating nausea is important, administering medication without first assessing the underlying cause is unsafe. If the nausea is due to a developing ileus or obstruction, masking the symptom with an antiemetic could delay critical diagnosis and treatment.
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Encourage the client to ambulate in the hallway (Option 2): Ambulation is a key intervention to prevent complications and promote peristalsis. However, if the patient is in severe pain and potentially developing an ileus, encouraging ambulation without first assessing their condition is inappropriate and may cause harm or discomfort.
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Insert a nasogastric tube for decompression (Option 3): This is an invasive intervention that requires a physician's order. It is a treatment for confirmed ileus or obstruction, not a first-line assessment. Performing this without a proper assessment and order would be beyond the nurse's scope of practice and could be harmful if not indicated.
Related Concepts: This scenario reinforces the
nursing process, where Assessment is always the first step. It also highlights post-operative care priorities for abdominal surgery, specifically monitoring for
return of bowel function. Key signs of paralytic ileus include absent or hypoactive bowel sounds, abdominal distension, nausea/vomiting, and failure to pass flatus or stool.
Concept Summary
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Nursing Process Priority: Always assess before you intervene (Assessment → Diagnosis → Planning → Implementation → Evaluation).
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Post-Op Abdominal Surgery Complication: Paralytic ileus is a common concern, characterized by the temporary cessation of bowel peristalsis.
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Key Assessment Findings for Ileus: Absent/hypoactive bowel sounds, abdominal distension, nausea/vomiting, inability to pass flatus.
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Interventions Follow Assessment: Ambulation, medications, and NG tube placement are all based on the findings of the initial assessment.
Side-by-Side Comparison!
| Condition | Bowel Sounds | Pain & Distension | Common Cause |
|---|
| Paralytic Ileus | Absent or markedly hypoactive | Diffuse discomfort, bloating, distension | Post-abdominal surgery, electrolyte imbalance, peritonitis |
| Mechanical Obstruction | Initially hyperactive (high-pitched, rushing), later absent | Colicky, cramping pain; localized distension | Adhesions, hernia, tumor |
| Normal Post-Op Bowel Recovery | Progresses from absent to hypoactive to normoactive | Incisional pain manageable with medication; mild distension may resolve | Expected healing process |
Anatomy, Physiology & Pharmacology Points
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Physiology: Peristalsis is the coordinated, wave-like muscular contraction of the GI tract that moves contents forward. Surgery, anesthesia, and manipulation of the bowel can temporarily paralyze this function (ileus).
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Anatomy: A
sigmoid colectomy involves removal of part of the sigmoid colon, which is the S-shaped final portion of the colon before the rectum. This area is a common site for diverticulitis.
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Pharmacology: Antiemetics (e.g., ondansetron) work on receptors in the chemoreceptor trigger zone (CTZ) to reduce nausea/vomiting but do not address the underlying GI motility problem.
Memory Tips
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ABCs with a twist for surgical patients: After Airway, Breathing, Circulation, think
"Assess the Belly First!" for any new abdominal complaint post-op.
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Ileus vs. Obstruction sounds: Ileus =
Idle (quiet). Obstruction =
Obstructed but trying (initially loud).
High-Frequency NCLEX Topics
The NCLEX heavily tests
priority-setting and the nursing process. Questions often present a patient with multiple potential problems and ask, "What should the nurse do
first?" The correct answer is almost always an
assessment action unless an immediate, life-threatening situation (like airway compromise or severe hemorrhage) requires intervention. This question is a classic example of that pattern.
Watch Out for Question Variations!
• Instead of asking for the
first action, the question might ask for the
priority nursing diagnosis. The answer would likely be
Risk for (or Actual) Ineffective Gastrointestinal Perfusion or
Acute Pain.
• The scenario could change to include vital signs (e.g., tachycardia, fever) pointing more strongly toward peritonitis or sepsis, shifting the priority intervention to notifying the provider immediately after a quick assessment.
• The question might ask which finding is
most concerning for the nurse, testing your knowledge of abnormal assessment data (e.g., absent bowel sounds and board-like abdomen vs. mild hypoactive sounds).