# Review the heart failure fluid overload trend.

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=568347&lang=en  
> language: en  
> subject: Illness Management  
> category: PA

## Question

Review the heart failure fluid overload trend.

| Time | Data |
| --- | --- |
| Day 1 08:00 | weight kg: 78; dyspnea: Mild on exertion; orthopnea: None; crackles: None; spo2 room air: 94; bnp pg ml: 450; urine output ml 24h: 1800; potassium meq l: 4.2; sodium meq l: 138; creatinine mg dl: 1.1; intervention: Furosemide 40 mg IV once |
| Day 2 08:00 | weight kg: 79.5; dyspnea: Moderate on minimal exertion; orthopnea: Uses one pillow; crackles: Bibasilar; spo2 room air: 92; bnp pg ml: 620; urine output ml 24h: 1400; potassium meq l: 3.9; sodium meq l: 136; creatinine mg dl: 1.2; intervention: Furosemide 40 mg IV once |
| Day 3 08:00 | weight kg: 81; dyspnea: At rest, speaking in short phrases; orthopnea: Uses two pillows; crackles: Bibasilar to mid-lung fields; spo2 room air: 89; bnp pg ml: 780; urine output ml 24h: 900; potassium meq l: 3.6; sodium meq l: 134; creatinine mg dl: 1.4; intervention: Furosemide 40 mg IV once |
| Day 3 12:00 | weight kg: 81.2; dyspnea: At rest, using accessory muscles; orthopnea: Sitting upright, cannot lie flat; crackles: Bilateral to upper lung fields; spo2 room air: 88; bnp pg ml: 820; urine output ml 24h: 300; potassium meq l: 3.4; sodium meq l: 132; creatinine mg dl: 1.6; intervention: Furosemide 40 mg IV once |

Q1. Which finding is most concerning and requires immediate action?

Weight gain of 3 kg since admission
Urine output of 300 mL in the last 12 hours
BNP level of 820 pg/mL
Oxygen saturation of 88% on room air

Q2. What is the priority nursing action based on the trend?

Recheck oxygen saturation after repositioning the patient
Encourage increased sodium intake to improve fluid balance
Stop daily weights until the patient is stabilized
Notify the provider and prepare for escalation of diuretic therapy

Q3. Which laboratory value trend is most important to report to the provider before administering the next dose of furosemide?

Creatinine increasing from 1.1 to 1.6 mg/dL
BNP increasing from 450 to 820 pg/mL
Potassium decreasing from 4.2 to 3.4 mEq/L
Sodium decreasing from 138 to 132 mEq/L

## Explanation

The trend shows progressive fluid overload with worsening dyspnea, hypoxemia, and rising BNP despite initial diuretic therapy. The most immediate concern is respiratory compromise from pulmonary congestion, requiring prompt escalation and reassessment of diuretic dosing.

## In-depth explanation

Quick answer
The patient's trend shows worsening heart failure with increasing weight, dyspnea, and BNP, along with declining oxygen saturation and urine output. The priority is to recognize that the current diuretic regimen is inadequate and to escalate care by notifying the provider and preparing for additional interventions.

Why this is correct
The data demonstrate a clear trajectory of decompensation: weight increased from 78 kg to 81 kg over 3 days, BNP rose from 450 to 780 pg/mL, SpO2 fell from 94% to 89% on room air, and urine output decreased. These findings indicate worsening congestion and inadequate response to current therapy.

Clinical picture
In heart failure, a weight gain of more than 2 kg in 2 days, worsening dyspnea, rising BNP, and decreasing urine output are red flags for acute decompensation. The nurse should immediately notify the provider, obtain orders for increased diuresis, and monitor respiratory status closely.

Memory hook
Remember the acronym FACES for heart failure: Fatigue, Activities limited, Chest congestion, Edema, Shortness of breath. Worsening FACES plus weight gain and low urine output signal decompensation.

NCLEX decision rule
Prioritize airway, breathing, and circulation. In heart failure, respiratory distress from pulmonary edema is an urgent problem that requires prompt intervention.

Why the alternatives are wrong
Rechecking oxygen saturation after repositioning may be appropriate if the reading is inconsistent with the clinical picture, but here the low SpO2 is consistent with worsening crackles and dyspnea. Waiting to reassess until after the next dose of diuretic delays necessary escalation. Increasing sodium intake would worsen fluid retention. Stopping daily weights removes a key monitoring parameter.

Sources
1NCSBN 2026 NCLEX-RN Test Plan
2American Heart Association Managing Heart Failure Symptoms

## Clinical scenario

Clinical Practice Guide
For heart failure fluid overload, compare new findings with baseline status, ordered data, and expected complications before choosing the priority response.

Caution
Do not delay urgent stabilization or escalation when airway, breathing, circulation, neurologic status, or safety is worsening.

## Key concepts

- **BNP** — B-type natriuretic peptide is a hormone released by the ventricles in response to increased pressure and volume. Levels above 100 pg/mL suggest heart failure; rising levels indicate worsening congestion.
- **Orthopnea** — Shortness of breath that occurs when lying flat, forcing the patient to sleep propped up. It is a classic symptom of left-sided heart failure due to pulmonary congestion.
- **Daily weights** — A key monitoring parameter in heart failure. A weight gain of 1 kg in 1 day or 2 kg in 2 days indicates fluid retention and should be reported.

## Related questions

- [A client with suspected urosepsis has a temperature of 39.1 C, blood pressure 86/48 mm Hg,…](https://mymerci.kr/pages/nclex_q.php?qn_id=393666&lang=en)
- [A client with diabetic ketoacidosis is prescribed IV insulin. The potassium level is 2.9 m…](https://mymerci.kr/pages/nclex_q.php?qn_id=394074&lang=en)
- [A client with adrenal insufficiency has vomiting, severe weakness, blood pressure 78/42 mm…](https://mymerci.kr/pages/nclex_q.php?qn_id=394151&lang=en)
- [Place the actions in order for an adult with probable sepsis, a mean arterial pressure of …](https://mymerci.kr/pages/nclex_q.php?qn_id=394886&lang=en)
- [Drag each assessment trend to the heart-failure perfusion profile it best supports.](https://mymerci.kr/pages/nclex_q.php?qn_id=395501&lang=en)
- [A client has a potassium level of 6.9 mEq/L and a widened QRS complex. For each finding or…](https://mymerci.kr/pages/nclex_q.php?qn_id=395582&lang=en)
- [A client with suspected infection has temperature 39.2 C, heart rate 126/min, blood pressu…](https://mymerci.kr/pages/nclex_q.php?qn_id=397263&lang=en)
- [A client develops stridor, facial swelling, and hypotension after receiving an antibiotic.…](https://mymerci.kr/pages/nclex_q.php?qn_id=397318&lang=en)

## Read in another language

- [en](https://mymerci.kr/pages/nclex_q.php?qn_id=568347&lang=en)
- [ko](https://mymerci.kr/pages/nclex_q.php?qn_id=568347&lang=ko)
- [ja](https://mymerci.kr/pages/nclex_q.php?qn_id=568347&lang=ja)
- [zh-TW](https://mymerci.kr/pages/nclex_q.php?qn_id=568347&lang=zh-tw)
- [vi](https://mymerci.kr/pages/nclex_q.php?qn_id=568347&lang=vi)

---

More free questions: [NCLEX-RN Practice](https://mymerci.kr/pages/nclex_bank.php?lang=en)

_For study reference only. Always follow current clinical guidelines and your institution’s protocols._