A patient with 50% total body surface area (TBSA) burns has received 12 hours of fluid resuscitation. His vital signs are: BP 118/78 mmHg, heart rate 95/min, and urine output 20 mL/hr. Is the patient adequately resuscitated?

1. A

   Fluid Overload

2. B

   Adequate hydration

3. C

   Inadequate fluid resuscitation

4. D

   Impending renal failure

Appeared in: NORCET 10 Prelims-2026

Explanation

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• The primary and most sensitive indicator for assessing the adequacy of fluid resuscitation in a burn patient is urine output.
• For an adult patient, the target urine output should be between 0.5 to 1.0 mL/kg/hr, which is approximately 30-50 mL/hr.
• The patient's urine output of 20 mL/hr is significantly below the minimum target, indicating insufficient fluid volume and poor renal perfusion.
• Despite the blood pressure and heart rate being within an acceptable range, these can be misleading due to compensatory mechanisms. Low urine output is a more reliable sign of hypovolemia in this context.
• The appropriate intervention is to increase the rate of intravenous fluid administration to meet the resuscitation goals.

Why Other Options Were Wrong

• Option A: Fluid overload would present with signs of excess fluid, such as a high urine output, bounding pulse, and potentially respiratory distress from pulmonary edema. The patient's low urine output of 20 mL/hr is the opposite of what is seen in fluid overload.
• Option B: Adequate hydration is defined by meeting the physiological needs, which is reflected by a target urine output of 30-50 mL/hr in an adult burn patient. The patient's output of 20 mL/hr is below this minimum threshold.
• Option D: While inadequate resuscitation can lead to acute kidney injury (renal failure), the immediate interpretation of low urine output in the early hours of burn resuscitation is hypovolemia. It is a sign that more fluid is needed, not that the kidneys have already failed. The condition is still reversible with adequate fluid.

Related Visual

• Visual 1: Chart: Table of goals for adequate burn fluid resuscitation, highlighting urine output, BP, HR, and sensorium.
• Visual 2: Infographic: A diagram illustrating the concept of 'third-spacing' of fluid after a major burn, showing why large fluid volumes are necessary.
• Visual 3: Flowchart: A decision-making flowchart for nurses on how to titrate IV fluids based on hourly urine output in a burn patient.

Clinical Relevance

• Nursing practice connection: Knowing Assessment of fluid resuscitation adequacy in major burn injuries helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
• A nurse's primary role in managing a major burn is the meticulous hourly monitoring of urine output and titrating IV fluids according to protocol to prevent under- or over-resuscitation.
• Failure to recognize and respond to inadequate urine output can lead to severe complications, including acute kidney injury, shock, and multi-organ dysfunction syndrome.
• What if the patient's urine output was 75 mL/hr? This would indicate that the fluid infusion rate is likely too high, and the nurse should anticipate an order to decrease the IV rate to prevent complications of fluid overload, such as pulmonary edema and abdominal compartment syndrome.

How to Approach the Question

• First, identify the core of the question: it's asking you to interpret a set of clinical data (vitals, UO) in the context of a specific condition (major burn).
• Recall the goals of fluid resuscitation for a major burn. What are the key monitoring parameters?
• Focus on the most sensitive and reliable indicator. In burn care, urine output is the gold standard for assessing adequacy of resuscitation, often more so than BP or HR.
• Compare the patient's data (UO = 20 mL/hr) to the standard target for an adult (30-50 mL/hr).
• Since the patient's value is below the target, conclude that the resuscitation is inadequate.
• Evaluate the other options to confirm your choice. Rule them out based on the clinical picture (e.g., low UO rules out fluid overload).

Concept Tested & Keywords

• Concept Tested: Assessment of fluid resuscitation adequacy in major burn injuries.
• Stem keywords: 50% TBSA burns, fluid resuscitation, vital signs, urine output 20 mL/hr
• Lead-in keywords: adequately resuscitated
• Clinical cues: Urine output of 20 mL/hr is a critical value indicating hypovolemia despite seemingly stable BP and HR.
• Negative lead-in flag: false

Question ID

Q3ZRiMne-f4NIk-dlQ-c2c

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