Name
Purdue University Globle
NU581 FNP II Clinical – Children and Adolescent Health Focus
Prof. Name
Date
Pediatric dehydration in a 12-month-old requires rapid assessment because infants and toddlers can lose a clinically significant amount of fluid in a short period. Early recognition of decreased urine output, lethargy, dry mucous membranes, absent tears, persistent vomiting, and acute weight loss helps nurses identify worsening fluid deficit and initiate appropriate treatment. In this NU581 pediatric case study, Alison, a 12-month-old child, presents with persistent vomiting, poor oral intake, dehydration, fever, respiratory symptoms, and laboratory abnormalities. The case demonstrates pediatric nursing assessment, fluid replacement, diagnostic evaluation, medication safety, developmental assessment, and SBAR communication.
Alison, a 12-month-old female, was brought to the hospital after approximately 12 hours of persistent vomiting. She was unable to tolerate oral fluids, and her mother reported that Alison had become increasingly lethargic. She had not produced a wet diaper since early morning and was no longer producing tears when crying.
During the initial examination, Alison appeared ill and demonstrated several clinical signs of dehydration, including dry lips, dry skin, reduced activity, and decreased responsiveness. Her history and physical findings suggested a substantial fluid deficit requiring prompt intervention.
Further assessment identified fever, tachycardia, respiratory symptoms, and significant weight loss compared with her well-child visit two weeks earlier. Additional diagnostic testing ultimately identified left lower lobe pneumonia along with metabolic abnormalities associated with her acute illness and dehydration.
The initial nursing assessment is particularly important in an infant because dehydration can progress quickly. Alison’s lack of urine output, absent tears, dry skin and lips, lethargy, vomiting, and poor oral intake were important indicators of fluid loss.
The most concerning findings included:
No urine output since 7:00 AM
No tears when crying
Dry lips and skin
Lethargy and decreased responsiveness
Persistent vomiting
Inability to maintain adequate oral intake
These findings require prompt evaluation of circulation, hydration status, electrolyte balance, renal function, and the underlying cause of the illness.
Alison’s initial vital signs were:
| Assessment | Finding |
|---|---|
| Temperature | 101°F (38.3°C) |
| Apical heart rate | 150 beats/minute |
| Respiratory rate | 40 breaths/minute |
| Blood pressure | 90/48 mmHg |
| Current weight | 21 lb 6 oz (9.5 kg) |
| Weight two weeks earlier | 24 lb 2 oz |
Her weight decreased by approximately 2.75 lb, or about 1.25 kg, over two weeks. Because acute changes in body weight can reflect changes in total body water, recent weight loss is an important component of pediatric dehydration assessment.
Alison’s temperature of 101°F suggested an infectious or inflammatory process. Fever can also contribute to increased fluid losses and may worsen dehydration when a child is already experiencing vomiting and poor oral intake.
A heart rate of 150 beats/minute may occur with fever, dehydration, or both. In a child with suspected hypovolemia, persistent tachycardia should prompt continued assessment of perfusion and response to fluid therapy.
The rapid reduction in Alison’s body weight is clinically important. In pediatric patients, comparison with a recent baseline weight can help estimate the severity of acute fluid loss.
A focused pediatric health history helps determine the severity and possible cause of dehydration. The nurse should ask the parent about vomiting, fluid intake, urine output, diarrhea, fever, medications, allergies, respiratory symptoms, and potential exposure to illness.
Important questions include:
When did the vomiting begin?
How many times has Alison vomited?
What did the vomit look like?
Has she been able to keep down breast milk, formula, water, or other fluids?
When was her last wet diaper?
Has she had diarrhea?
Has she had a fever?
Has she received any medication at home?
Does she have medication or food allergies?
Has she been coughing or pulling at her ears?
Has she been exposed to anyone who is sick?
Has she experienced any change in activity, alertness, or behavior?
This information helps the healthcare team distinguish dehydration from other pediatric conditions and identify a possible infectious source.
The immediate nursing goal is to stabilize the child, restore circulating fluid volume, monitor for complications, and treat the underlying cause.
Priority interventions include:
Establish and maintain appropriate IV access as ordered.
Administer prescribed IV fluids.
Monitor vital signs and reassess the child’s response to treatment.
Strictly monitor intake and output.
Monitor urine production.
Obtain ordered laboratory specimens.
Administer prescribed medications safely.
Assess respiratory status because of the child’s respiratory findings.
Monitor hydration status, mental status, skin and mucous membranes, and perfusion.
Encourage oral fluids when clinically appropriate and tolerated.
Fluid therapy should be guided by the child’s clinical condition, degree of dehydration, laboratory findings, and provider orders.
A complete head-to-toe assessment identified additional abnormalities involving Alison’s respiratory system and left ear.
The respiratory assessment revealed:
Chest congestion
Bilateral coarse breath sounds
Mild expiratory wheezing
Dry cough
Nasal congestion
These findings increased concern for a respiratory infection and supported the need for continued respiratory monitoring and diagnostic evaluation.
The left ear examination showed:
Bulging tympanic membrane
Erythematous tympanic membrane
Tenderness
These findings are compatible with acute otitis media and should be considered alongside the child’s fever and other clinical findings.
Because Alison presented with dehydration, fever, lethargy, vomiting, and respiratory abnormalities, the healthcare team performed several diagnostic evaluations.
The case included:
Urinary catheterization
Peripheral IV insertion
Complete blood count (CBC)
Comprehensive metabolic panel (CMP)
Blood cultures
Erythrocyte sedimentation rate (ESR)
Urinalysis
Urine culture
Lumbar puncture using aseptic technique
Chest X-ray
These tests were used to evaluate hydration status, renal function, electrolyte and metabolic abnormalities, infection, and potential sources of fever.
Following IV fluid resuscitation, the provider ordered:
Acetaminophen 650 mg every four hours as needed for pain or fever.
No. Based on commonly used weight-based pediatric dosing guidance, a 650 mg dose is substantially higher than the usual single-dose range for a 9.5 kg child.
A commonly used pediatric dose is approximately 10–15 mg/kg per dose every 4–6 hours, subject to the specific product, clinical situation, and institutional guidance.
For Alison:
9.5 kg × 10 mg/kg = 95 mg
9.5 kg × 15 mg/kg = 142.5 mg
Therefore, a typical calculated single dose would fall around 95–142.5 mg, rather than 650 mg.
A 650 mg dose would be approximately 68 mg/kg per dose, which is far above the usual weight-based single-dose range. Administering such a dose could place the child at risk for acetaminophen toxicity and liver injury.
The nurse should hold the medication and clarify the order with the prescribing provider and pharmacist according to institutional medication-safety procedures rather than administering an apparently excessive dose.
Medication administration in pediatric patients requires careful weight-based calculation because children may receive medication doses that are inappropriate when adult-sized doses are used.
Before administering acetaminophen or another medication, the nurse should verify:
Correct patient
Correct medication
Correct dose
Correct route
Correct time
Current weight
Allergies
Medication concentration
Indication for treatment
Maximum allowable dose
Potential drug interactions and contraindications
The nurse should also document administration accurately and evaluate the child’s response.
When an order appears inconsistent with the patient’s weight or accepted dosing guidance, the nurse has a responsibility to clarify the order before administration.
After treatment, Alison’s fever improved and she produced a wet diaper. However, her mother reported concerns about her developmental abilities. According to the mother, Alison refused to hold her bottle independently and would not stand without assistance.
These observations should prompt additional developmental assessment rather than being attributed automatically to the acute illness.
Development varies among children, and milestone checklists are used to identify children who may benefit from further evaluation. Around 12 months, children commonly demonstrate emerging gross-motor and fine-motor abilities such as pulling to stand, moving while holding onto furniture, and using their hands to interact with objects and food.
A child who is not demonstrating expected developmental skills should receive appropriate developmental screening and follow-up. The nurse should document the mother’s concerns, assess the child’s developmental history, and communicate concerns to the pediatric provider.
| Laboratory Test | Result |
|---|---|
| Hemoglobin | 11 g/dL |
| WBC | 10,000/mm³ |
| Potassium | 4.2 mEq/L |
| ESR | 10 mm/hr |
| Creatinine | 5 mg/dL |
| BUN | 7 mg/dL |
| CO₂ | 15 mEq/L |
| Blood glucose | 75 mg/dL |
| Urinalysis | Small leukocytes, negative nitrites, large ketones |
A creatinine level of 5 mg/dL is markedly elevated for a 12-month-old and requires urgent clinical attention. In the context of severe dehydration, an elevated creatinine can indicate impaired renal perfusion and possible acute kidney injury. The result should be interpreted together with urine output, baseline renal function, BUN, hydration status, medications, and the child’s overall clinical condition.
A CO₂ value of 15 mEq/L is low and may indicate a metabolic acid-base disturbance. In a dehydrated child with poor oral intake, ketosis and reduced tissue perfusion may contribute to metabolic acidosis.
Large urine ketones can occur when a child has inadequate caloric intake. During prolonged vomiting and reduced food intake, the body may increase fat metabolism, resulting in ketone production.
Laboratory abnormalities should always be interpreted in conjunction with the child’s physical assessment and clinical history rather than in isolation.
The chest X-ray demonstrated left lower lobe pneumonia. Alison’s presentation therefore involved more than isolated fluid loss. Her vomiting, poor oral intake, fever, respiratory findings, dehydration, and laboratory abnormalities required continued inpatient management.
The treatment plan included:
IV fluid therapy
Prescribed IV antibiotics
Respiratory monitoring
Repeat laboratory testing
Monitoring of intake and output
Frequent reassessment of vital signs and hydration status
Treating the underlying infection is important because ongoing illness can interfere with oral intake and contribute to continued fluid loss.
SBAR—Situation, Background, Assessment, and Recommendation—provides a structured approach to communicating important patient information during nursing handoffs.
Alison is a 12-month-old female admitted with dehydration, fever, lethargy, and newly diagnosed left lower lobe pneumonia. Following treatment, her temperature has decreased to 99.2°F.
Alison experienced approximately 12 hours of persistent vomiting and was unable to tolerate oral fluids. Her mother reported no urine output since 7:00 AM and increasing lethargy before hospital admission.
After IV fluid administration, Alison’s condition has improved. She has produced urine, her fever has decreased, and her clinical status is more stable. Chest imaging confirmed left lower lobe pneumonia, while laboratory findings remain concerning for dehydration and metabolic abnormalities.
Continue close monitoring and the prescribed treatment plan. Nursing priorities include:
Maintaining IV fluid therapy as ordered
Monitoring intake and output
Assessing urine production
Administering prescribed antibiotics and antipyretics
Performing ongoing respiratory assessments
Monitoring vital signs
Following laboratory results and trends
Encouraging appropriate oral fluids as tolerated
Communicating any deterioration promptly
Arranging developmental follow-up after discharge
This pediatric case demonstrates why early recognition of dehydration is essential in infants and toddlers. Persistent vomiting combined with poor oral intake, absent urine output, absent tears, dry mucous membranes, lethargy, and acute weight loss warrants prompt assessment and intervention.
The case also highlights several important nursing responsibilities. Nurses must monitor fluid balance and perfusion, recognize abnormal laboratory findings, identify possible infectious causes, administer medications according to the child’s weight, and question potentially unsafe medication orders.
In addition, pediatric nursing assessment extends beyond the immediate illness. Developmental concerns reported by a parent should be documented and evaluated appropriately. Clear SBAR communication further supports continuity of care and helps ensure that changes in the child’s condition are communicated effectively.
Common signs include decreased urination, dry mouth or lips, fewer tears when crying, reduced activity, lethargy, poor oral intake, and changes in skin or mucous membranes. More severe dehydration can involve altered responsiveness, poor perfusion, and circulatory instability.
Urine output provides useful information about hydration and kidney perfusion. A significant reduction or absence of urine can indicate substantial fluid deficit or impaired renal function and requires prompt clinical assessment.
Treatment depends on the severity and cause. Children with mild dehydration may be managed with oral rehydration when they can tolerate fluids. More significant dehydration or children who cannot tolerate oral fluids may require IV fluid therapy and close monitoring.
Children have different medication requirements than adults. Weight-based dosing helps clinicians calculate an appropriate dose according to the child’s size and reduces the risk of underdosing or medication toxicity.
The nurse should not administer a dose that appears unsafe. The order should be reviewed against the child’s current weight, medication concentration, recommended dosing guidance, and institutional policy. The prescribing provider or pharmacist should be contacted to clarify the order before administration.
Developmental assessment helps nurses identify children who may benefit from additional screening or evaluation. Parent-reported concerns should be taken seriously and communicated to the child’s healthcare provider.
The NU581 pediatric case study illustrates the importance of comprehensive nursing care for a 12-month-old experiencing dehydration and pneumonia. Alison’s persistent vomiting, poor oral intake, decreased urine output, lethargy, acute weight loss, fever, and respiratory findings required rapid assessment and intervention. IV fluid therapy, laboratory evaluation, infection management, respiratory monitoring, medication safety checks, developmental assessment, and structured SBAR communication were all important components of her care.
For nursing students, the case reinforces a central principle of pediatric practice: recognize changes early, calculate medications according to the child’s weight, monitor fluid status closely, identify the underlying cause of illness, and reassess the child continuously throughout treatment.
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Kliegman, R. M., St. Geme, J. W., Blum, N. J., Shah, S. S., & Tasker, R. C. (2024). Nelson textbook of pediatrics (22nd ed.). Elsevier.
MedlinePlus. (2025). Dehydration. U.S. National Library of Medicine. https://medlineplus.gov/dehydration.html
World Health Organization. (2024). Pocket book of hospital care for children: Guidelines for the management of common childhood illnesses (3rd ed.). https://www.who.int/publications/i/item/9789241548373
