GI, Liver, Pancreas, and Bowel Care

Key Takeaways

  • GI assessment prioritizes bleeding, obstruction, perforation, dehydration, aspiration risk, nutrition, and pain pattern changes.
  • Liver disease increases risk for bleeding, encephalopathy, infection, ascites, renal injury, and medication toxicity.
  • Pancreatitis care focuses on pain, fluids, nutrition, glucose, calcium, respiratory status, and alcohol or gallstone triggers.
  • Bowel care requires matching intervention to cause: constipation, ileus, obstruction, diarrhea, inflammatory disease, or infection.
  • Escalate acute abdomen, shock, hematemesis, melena with instability, confusion in liver disease, and severe electrolyte loss.
Last updated: May 2026

GI, Liver, Pancreas, and Bowel Care

Case anchor

A 58-year-old adult with cirrhosis is admitted for abdominal distention and black stools. The patient is drowsy but arousable, blood pressure is 96/58 mm Hg, heart rate is 112/min, hemoglobin has fallen from 10.2 to 8.1 g/dL, INR is 2.1, and the abdomen is tense. The CMSRN nurse considers several threats at once: GI bleeding, hypovolemia, hepatic encephalopathy, ascites with respiratory compromise, and infection.

GI bleeding and acute abdomen

Assess stool color, emesis appearance, abdominal contour, bowel sounds, pain location, guarding, rebound tenderness, vital signs, orthostasis, skin color, capillary refill, urine output, mental status, anticoagulant use, NSAID use, alcohol use, and history of ulcers or varices. Hematemesis, coffee-ground emesis, melena, and hematochezia require hemodynamic assessment. Bright red blood can be lower GI bleeding but may also occur with brisk upper GI bleeding.

Acute abdomen findings require escalation: rigid abdomen, rebound tenderness, severe sudden pain, fever, tachycardia, hypotension, absent bowel sounds with distention, or shoulder pain after abdominal procedures. Keep the patient NPO, avoid unnecessary opioids before assessment if policy or provider evaluation is pending, prepare for labs and imaging, and monitor for sepsis or shock.

Liver disease priorities

ProblemAssessment cluesNursing action
EncephalopathySleep reversal, asterixis, confusion, somnolenceSafety, lactulose monitoring, avoid sedatives if possible, report decline
AscitesDistention, weight gain, dyspnea, early satietyDaily weight, abdominal girth, sodium restriction, paracentesis care
Variceal bleedHematemesis, melena, shockIV access, airway readiness, blood products, urgent escalation
CoagulopathyBruising, oozing, high INR, low plateletsBleeding precautions, avoid trauma, monitor labs

Lactulose is given to reduce ammonia through stooling. The nurse titrates to the ordered goal, often two to three soft stools daily, and monitors dehydration, electrolyte loss, skin breakdown, and mental status. A patient receiving lactulose who becomes more confused needs reassessment rather than simply more medication.

Pancreatitis care

Acute pancreatitis often presents with severe epigastric pain radiating to the back, nausea, vomiting, fever, tachycardia, and elevated lipase. Major nursing priorities are aggressive fluid support as ordered, pain control, antiemetics, NPO or nutrition plan, glucose monitoring, calcium monitoring, oxygenation, and early recognition of systemic inflammatory response. Watch for respiratory distress from pleural effusion or acute respiratory distress syndrome, hypocalcemia signs such as tingling or tetany, hyperglycemia, fever, and hypotension.

Teaching depends on cause. Gallstone pancreatitis may require surgical follow-up. Alcohol-related pancreatitis requires nonjudgmental screening, withdrawal precautions, thiamine when ordered, and referral resources. High triglyceride pancreatitis requires medication and diet adherence teaching.

Bowel care and obstruction

Constipation is not benign in immobile, opioid-treated, older, or postoperative patients. Assess last bowel movement, flatus, abdominal distention, nausea, vomiting, pain, bowel sounds, opioid use, anticholinergics, fluid intake, mobility, and baseline pattern. Preventive bowel regimens, fluids if allowed, fiber when appropriate, mobility, and privacy matter.

Do not treat suspected obstruction like routine constipation. Crampy pain, distention, high-pitched or absent bowel sounds, vomiting, obstipation, and prior abdominal surgery suggest obstruction or ileus. Keep NPO, maintain NG tube care if ordered, monitor output and electrolytes, provide oral care, and report worsening pain or peritoneal signs. For diarrhea, assess volume, blood, fever, recent antibiotics, tube feeding, laxatives, and dehydration. Use contact precautions when infectious diarrhea is suspected, especially C. difficile.

Nutrition and aspiration

GI patients are often nutritionally fragile. Monitor albumin and prealbumin only as part of the broader clinical picture because inflammation changes values. Track weight, intake, swallowing, nausea, wound healing, muscle loss, and diet tolerance. For tube feedings, verify tube placement per policy, keep head of bed elevated unless contraindicated, monitor residuals only if facility policy requires, prevent clogging, and watch for aspiration, diarrhea, and refeeding syndrome in high-risk malnourished patients.

Medication and procedure safety

Proton pump inhibitors reduce acid but can interact with long-term risks. Antiemetics can prolong QT or cause sedation. Opioids worsen constipation and can mask assessment changes. Acetaminophen requires dose caution in liver disease, and NSAIDs can worsen bleeding and renal function. Before paracentesis, check consent, coagulation concerns, baseline vitals, abdominal girth, weight, bladder emptying if ordered, and albumin replacement orders for large-volume removal. Afterward, monitor puncture site leakage, hypotension, dizziness, and infection signs.

Escalation cues

Escalate hematemesis, melena with instability, rapid hemoglobin drop, severe abdominal pain with rigidity, persistent vomiting, shock, fever with ascites, worsening jaundice with confusion, new asterixis, severe pancreatitis signs, absent flatus after surgery with distention, or diarrhea with hypotension. CMSRN answers usually prioritize airway, circulation, bleeding control, fluid and electrolyte replacement, and infection precautions.

Test Your Knowledge

A patient with cirrhosis is receiving lactulose. Which finding best indicates the medication is having the intended effect?

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Test Your Knowledge

A postoperative patient has abdominal distention, nausea, no flatus, and high-pitched bowel sounds. What is the safest nursing action?

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D
Test Your Knowledge

A patient with acute pancreatitis develops increasing dyspnea and oxygen saturation of 88 percent. What complication is the nurse most concerned about?

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