# Situation: A 45-year-old woman weighing 60 kg had a total colectomy with an end ileostomy 5 days ago. Her stoma is pink, moist, and slightly swollen. The nurse is preparing her for discharge. At the same visit, she brings her home record. Day 1: output 1,100 mL; oral fluid 2,400 mL; urine 1,300 mL, light yellow Day 2: output 1,300 mL; oral fluid 2,300 mL; urine 1,000 mL, yellow Day 3: output 2,300 mL; oral fluid 2,000 mL; urine 450 mL, dark yellow She says she felt dizzy on standing on day 3. What should the nurse do?

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=630286  
> language: ko  
> subject: Nursing Practice IV — Care of Clients with Problems in Nutrition and Gastrointestinal, Metabolism and Endocrine, Perception and Coordination

## 문제

Situation: A 45-year-old woman weighing 60 kg had a total colectomy with an end ileostomy 5 days ago. Her stoma is pink, moist, and slightly swollen. The nurse is preparing her for discharge.

At the same visit, she brings her home record.
Day 1: output 1,100 mL; oral fluid 2,400 mL; urine 1,300 mL, light yellow
Day 2: output 1,300 mL; oral fluid 2,300 mL; urine 1,000 mL, yellow
Day 3: output 2,300 mL; oral fluid 2,000 mL; urine 450 mL, dark yellow
She says she felt dizzy on standing on day 3. What should the nurse do?

## 보기

1. Report the high output and her signs of fluid deficit **✔ 정답**
2. Advise her to drink an extra liter of plain water daily
3. Reassure her that output rises as the bowel adapts
4. Advise her to skip meals on days when her output is high

**정답: 1**

## 해설

Day 3 output of 2,300 mL exceeds the usual high-output level (about 1.5–2 L/day), and on the same day urine output fell to 450 mL, turned dark, and she became dizzy on standing — signs of fluid deficit. High ileostomy output loses water and sodium, so the nurse reports it for prompt evaluation and replacement with oral rehydration solution or IV fluids as ordered, not plain water alone.

## 심화 해설

Clinical situation

A 45-year-old woman is 5 days post-total colectomy with end ileostomy. Her stoma remains pink, moist, and slightly swollen, which is an expected early postoperative finding. The concern lies in her home record, especially the day 3 data: ileostomy output rose to 2,300 mL, oral fluid intake was 2,000 mL, and urine output dropped to 450 mL with a dark yellow color. She also reports dizziness on standing.

Why the answer is “report the high output and signs of fluid deficit”

After total colectomy, the colon’s normal function of absorbing water and sodium is lost. The small bowel continues to secrete digestive fluid, but without the colon, a large volume of water and electrolytes exits through the ileostomy. In the early postoperative period, an ileostomy output above about 1.5–2 L per day is considered high output and places the patient at risk for dehydration and electrolyte imbalance. On day 3, the output of 2,300 mL exceeds this threshold.

More important than the output number alone is the combination of findings on the same day. Urine output fell to 450 mL and became dark yellow, which reflects concentrated urine from reduced circulating volume. The dizziness on standing is a classic sign of orthostatic hypotension, indicating that the body is already struggling to maintain perfusion. Together, these are clinical signs of fluid deficit, not simply an expected adaptation response.

Key point! High ileostomy output loses both water and sodium. Replacing with plain water alone can worsen hyponatremia because it dilutes remaining sodium without replacing what was lost. The nurse should report the findings so the provider can order oral rehydration solution or IV fluids as appropriate.

Distinguishing adaptation from high-output dehydration

After ileostomy creation, the remaining small intestine gradually increases its absorptive efficiency, a process called adaptation. This occurs over weeks to months, not within 5 days. During the first week, output can be variable, but a sudden rise to 2,300 mL with falling urine output and orthostatic symptoms is not the benign adaptation pattern. The timing matters: adaptation is a slow compensatory mechanism, whereas the day 3 findings show an acute imbalance.

| Finding | Expected early postoperative course | This patient (day 3) | Clinical interpretation |
| --- | --- | --- | --- |
| Ileostomy output | May be elevated but generally under 1.5–2 L/day | 2,300 mL | High output, risk of volume loss |
| Urine output | Should remain adequate if hydration is maintained | 450 mL, dark yellow | Concentrated urine, reduced renal perfusion |
| Orthostatic symptoms | Absent in a well-hydrated patient | Dizziness on standing | Orthostatic hypotension from fluid deficit |
| Stoma appearance | Pink, moist, slightly swollen is normal | Pink, moist, slightly swollen | Reassuring; not the source of concern |

Why the other options are incorrect

Advising an extra liter of plain water daily addresses volume but not the sodium loss. In a patient with high ileostomy output, plain water can worsen hyponatremia because the fluid lost through the stoma is sodium-rich, while plain water contains no sodium. Reassuring the patient that output rises as the bowel adapts ignores the objective signs of dehydration. Skipping meals on high-output days is unsafe and has no physiologic basis; oral intake, especially with appropriate electrolyte-containing fluids, is part of management rather than something to withhold.

Clinical application for nursing licensure exams

This scenario tests the ability to recognize high-output ileostomy and its systemic consequences. The key is to connect the stoma output number with the urine output and orthostatic symptom. A high stoma output alone may warrant monitoring, but when it is accompanied by decreased urine output, dark urine, and dizziness, the priority shifts to reporting and initiating fluid and electrolyte replacement. Watch out! Do not confuse the normal pink, moist stoma with overall fluid status. The stoma can look healthy while the patient is volume-depleted.

Dehydration is a leading cause of hospital readmission after ileostomy formation. Early recognition of the pattern seen on day 3 — rising stoma output, falling urine output, and orthostatic symptoms — allows prompt intervention before the patient develops more severe complications such as acute kidney injury.

## 임상 시나리오

High-Output Ileostomy: Fluid Deficit RecognitionEarly postoperative discharge monitoring
After total colectomy, the colon's water and sodium absorption is lost. High ileostomy output is defined as more than 1.5–2 L/day and places the patient at risk for dehydration and electrolyte imbalance.

Assess for fluid deficit using combined findings: rising stoma output, falling urine output below 0.5 mL/kg/hr, dark concentrated urine, and orthostatic dizziness. These indicate reduced circulating volume, not normal bowel adaptation.

CautionHigh ileostomy output loses both water and sodium. Replace with oral rehydration solution or IV fluids as ordered. Plain water alone may worsen hyponatremia. Report promptly for evaluation.

## 핵심 개념

- **High-output ileostomy** — Ileostomy output exceeding about 1.5–2 L/day, increasing risk of dehydration and electrolyte loss
- **Orthostatic hypotension** — Drop in blood pressure on standing causing dizziness, indicating reduced circulating volume
- **Oral rehydration solution** — Fluid containing water, sodium, and glucose to replace ileostomy losses more effectively than plain water
- **Fluid deficit** — Inadequate circulating volume evidenced by low urine output, concentrated urine, and dizziness

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