Which of the following is the priority nursing intervention for a patient with a suspected large bowel obstruction upon admission?

B) Inserting a nasogastric tube for decompression

A) Administering prescribed analgesics for pain relief

B) Inserting a nasogastric tube for decompression

C) Encouraging the patient to increase oral fluid intake

D) Monitoring vital signs every hour

What is the primary nursing intervention for a patient with a partial large bowel obstruction as described in the scenario?

B) Providing bowel rest and administering intravenous fluids

A) Administering oral laxatives to relieve obstruction

B) Providing bowel rest and administering intravenous fluids

C) Encouraging a high-fiber diet to promote bowel movement

D) Performing a digital rectal examination to assess for fecal impaction

A patient with a partial large bowel obstruction is experiencing mild hypokalemia. Which nursing intervention is most appropriate to address this electrolyte imbalance?

B) Administer prescribed potassium supplements.

A) Encourage increased oral fluid intake.

B) Administer prescribed potassium supplements.

C) Restrict fluid intake to prevent further electrolyte imbalance.

D) Monitor the patient for signs of infection.

What is the primary reason for monitoring bowel sounds in a patient with abdominal pain and distension?

A) To assess for the presence of bowel obstruction

B) To determine the patient's hydration status

C) To evaluate the patient's pain level

D) To check for signs of infection

Which of the following findings indicates that the patient's condition is improving after the conservative management plan?

B) The patient's abdominal pain has decreased from 6/10 to 3/10

A) The patient's blood pressure is 140/90 mmHg

B) The patient's abdominal pain has decreased from 6/10 to 3/10

C) The patient's heart rate is 100 beats per minute

D) The patient's potassium level has decreased from 3.5 mmol/L to 3.0 mmol/L

What dietary recommendation should the nurse provide to a patient with diverticular disease to prevent exacerbation of symptoms?

C) Follow a soft, low-fiber diet initially

A) Increase intake of high-fiber raw vegetables

B) Include seeds and nuts in the diet for added fiber

C) Follow a soft, low-fiber diet initially

D) Consume whole grain bread and cereals

Which vital sign measurement indicates that the patient is maintaining stable cardiovascular health?

B) Heart rate of 110 beats per minute

C) Oxygen saturation of 89% on room air

D) Respiratory rate of 24 breaths per minute

large bowel obstruction in acute setting - Nursing Case Study

Pathophysiology

• Primary mechanism: Obstruction in the large bowel, often due to tumors or strictures, prevents the normal passage of intestinal contents, leading to accumulation and increased pressure within the bowel.

• Secondary mechanism: The increased pressure causes bowel wall distension and compromises blood flow, which can lead to ischemia (reduced blood supply) and inflammation of the bowel tissue.

• Key complication: If not relieved, the pressure and ischemia can cause the bowel wall to weaken and potentially perforate, leading to peritonitis, an infection of the abdominal cavity, requiring urgent medical intervention.

Patient Profile

Demographics:

65-year-old female, retired teacher

History:

• Key past medical history: History of diverticulosis, hypertension

• Current medications: Lisinopril 10 mg daily, Metoprolol 25 mg daily

• Allergies: Penicillin

Current Presentation:

• Chief complaint: Abdominal pain and bloating

• Key symptoms: Intermittent cramping abdominal pain, constipation for 3 days, mild nausea, no vomiting

• Vital signs: Blood pressure 130/80 mmHg, heart rate 78 bpm, respiratory rate 18 breaths per minute, temperature 98.6°F, oxygen saturation 98% on room air

Section 1

Initial Assessment Findings:

Upon admission, the nursing assessment of the 65-year-old female patient with a suspected large bowel obstruction reveals several key findings. The patient appears alert and oriented, though slightly uncomfortable due to intermittent cramping abdominal pain. On inspection, the abdomen is notably distended with visible peristaltic waves, suggesting increased bowel activity proximal to the obstruction. Palpation of the abdomen reveals tenderness, particularly in the lower quadrants, but no rebound tenderness is noted, which could indicate peritoneal irritation. Auscultation reveals high-pitched bowel sounds, a common finding in bowel obstructions due to increased peristaltic activity as the body attempts to overcome the blockage.

Her vital signs remain stable with a blood pressure of 130/80 mmHg, heart rate at 78 bpm, respiratory rate at 18 breaths per minute, and oxygen saturation at 98% on room air. The patient denies any history of similar episodes and confirms she has not experienced vomiting. Her last bowel movement was reported three days ago, and she has since experienced increasing bloating and discomfort. The nursing team continues to monitor her closely, focusing on pain management and ensuring her comfort while awaiting further diagnostic evaluation.

These initial assessment findings suggest a stable, early-stage large bowel obstruction. The absence of fever and normal vital signs indicate that there is no systemic infection or acute distress at this time. The patient is prepared for further diagnostic imaging, such as an abdominal X-ray or CT scan, to confirm the location and cause of the obstruction. The nursing team remains vigilant for any signs of deterioration, such as a drop in blood pressure, increased pain, or changes in mental status, which would necessitate immediate medical intervention.

Section 2

New Diagnostic Results:

Following the initial assessment, the patient undergoes an abdominal X-ray, which reveals the presence of dilated loops of bowel with air-fluid levels, confirming the suspicion of a large bowel obstruction. This finding suggests that there is no complete obstruction, as some gas is passing through the bowel. The imaging does not reveal any free air under the diaphragm, which rules out a perforation. These results are consistent with a partial obstruction, which is often managed conservatively. A CT scan is scheduled to provide more detailed information about the exact location and possible cause of the obstruction, such as a mass or strictures.

In addition to imaging, laboratory tests are performed to assess the patient's overall status. The complete blood count (CBC) is unremarkable, with a normal white blood cell count, indicating no current infection or significant inflammatory response. Electrolyte levels are slightly altered, showing mild hypokalemia, which is common in bowel obstructions due to fluid shifts and decreased oral intake. The nursing team collaborates with the physician to initiate potassium supplementation and encourages the patient to maintain adequate hydration, emphasizing the importance of fluid balance in preventing further complications.

These diagnostic results guide the next steps in the patient's care plan, focusing on conservative management strategies such as bowel rest, intravenous fluids, and continued monitoring of her symptoms. The nursing team remains attentive to any changes in her condition that might indicate progression of the obstruction or the development of complications, such as increasing pain, vomiting, or signs of dehydration. The patient is reassured about the current plan and informed that the healthcare team is closely monitoring her condition to ensure timely intervention if necessary.

Section 3

Response to Interventions:

Following the implementation of the conservative management plan, the patient's condition is closely monitored. Over the next 24 hours, the patient shows signs of stabilization and gradual improvement. Her abdominal pain, initially rated as a 6 out of 10 on the pain scale, has decreased to a 3 out of 10, indicating that the interventions are effectively alleviating her discomfort. The patient reports feeling less bloated, and the nursing team notes a reduction in abdominal distension upon palpation. Bowel sounds, which were hypoactive during the initial assessment, are now more active, suggesting some return of bowel function.

Vital signs remain stable, with a blood pressure of 118/76 mmHg, heart rate of 78 beats per minute, respiratory rate of 18 breaths per minute, and an oxygen saturation of 98% on room air. The patient's temperature is 37.1°C (98.8°F), indicating no signs of fever or infection. The nursing team continues to administer IV fluids, and the patient is encouraged to take small sips of clear fluids as tolerated, helping to address her mild hypokalemia. A repeat electrolyte panel shows improvement, with potassium levels rising from 3.2 mmol/L to 3.5 mmol/L, moving closer to the normal range.

The patient expresses relief at the progress and feels more comfortable with the care plan, showing trust in the healthcare team's ability to manage her condition. The nursing team remains vigilant, educating the patient about signs and symptoms that would require immediate attention, such as severe pain or vomiting, while reassuring her of the ongoing monitoring and support. As she continues to respond positively to the interventions, the healthcare team begins discussions about the potential for transitioning to a more regular diet, pending further evaluation and confirmation from the upcoming CT scan results.

Section 4

The following day, the CT scan results return, providing new insights into the patient’s condition. The scan confirms a partial obstruction in the sigmoid colon, likely due to diverticular disease. This finding aligns with the clinical picture of her symptoms and supports the continued conservative management approach. The radiology report notes no evidence of perforation or ischemia, which reassures the care team and the patient that the situation remains stable and manageable at this stage.

With this new diagnostic information, the healthcare team discusses the plan moving forward. Given the patient's positive response to initial interventions and the absence of severe complications, the team decides to gradually advance her diet. The patient will transition from clear fluids to a soft, low-fiber diet, allowing for easier digestion while still being gentle on the bowel. The nursing team provides dietary education, emphasizing the importance of avoiding foods that could exacerbate her condition, such as seeds, nuts, and raw vegetables.

The patient’s vital signs remain within normal limits, with a steady blood pressure of 116/74 mmHg, a heart rate of 76 beats per minute, and stable oxygen saturation levels. Her electrolyte levels continue to improve, with potassium now at 3.7 mmol/L. The patient is encouraged by the progress and actively participates in her care, asking questions and seeking guidance on lifestyle modifications to prevent future episodes. The nursing team remains attentive, closely monitoring for any signs of complication and reinforcing the importance of adherence to dietary recommendations and follow-up appointments.

Section 5

As the patient continues with her conservative management plan, the nursing team observes her response to the dietary changes. The transition to a soft, low-fiber diet is well-tolerated, with the patient reporting reduced abdominal pain and discomfort. She experiences regular, albeit slightly reduced, bowel movements, indicating that the partial obstruction is not worsening. The nursing team notes that her abdomen is soft and non-distended upon palpation, with bowel sounds present and active, which are encouraging signs of gastrointestinal function improving.

The patient’s vital signs remain stable, with blood pressure consistently around 118/76 mmHg, a heart rate of 74 beats per minute, and oxygen saturation at 98% on room air. Laboratory results show that her electrolyte levels continue to stabilize, with sodium at 140 mmol/L and chloride at 101 mmol/L. Her white blood cell count remains within normal limits, suggesting no signs of infection or inflammation. The patient’s positive response to interventions is further evidenced by her improved energy levels and increased mobility, as she is now able to ambulate more frequently and participate in light activities without significant fatigue.

Encouraged by the progress, the care team discusses the next steps with the patient, emphasizing the importance of maintaining hydration and adhering to dietary recommendations to support her recovery. Education is provided on recognizing early signs of complication, such as increasing abdominal pain, bloating, or changes in bowel habits, ensuring the patient knows when to seek medical advice. The patient expresses appreciation for the care she has received and commits to following up with her healthcare provider to monitor her condition. The nursing team continues to support her, reinforcing lifestyle modifications and the importance of regular check-ups to prevent future episodes of bowel obstruction.