NORCET 8 Prelims-2025
Medical Surgical Nursing
Easy
Which is the best formula used for a burn patient for fluid replacement therapy?
Appeared in: NORCET 8 Prelims-2025
Explanation
- The Parkland (Baxter) formula is a standard guideline for initial fluid resuscitation in burn patients.
- The formula is calculated as 4 mL of Lactated Ringer's solution × Body Weight (kg) × Percentage of Total Body Surface Area (%TBSA) burned.
- This calculation estimates the total fluid volume needed for the first 24 hours post-burn.
- The administration schedule is critical: half of the total volume is given in the first 8 hours from the time of injury, and the remaining half is given over the next 16 hours.
Why Other Options Were Wrong
- Option A: The Holliday-Segar formula calculates daily maintenance fluid requirements, not the large-volume resuscitation needed for acute burns.
- Option C: This formula uses 2 mL, which is characteristic of the Modified Brooke or Consensus formula, not the classic Parkland formula.
- Option D: The Modified Brooke formula uses 2 mL of crystalloid solution (Lactated Ringer's), not 3 mL of colloids. Colloids are typically avoided in the first 24 hours.
Related Visual
- Visual 1: Diagram - The 'Rule of Nines' chart for adults to quickly estimate the Total Body Surface Area (TBSA) of a burn.
- Visual 2: Flowchart - A step-by-step guide for calculating and administering fluids using the Parkland formula, including the 8-hour and 16-hour infusion periods.
- Visual 3: Diagram - The Lund-Browder chart, which provides a more accurate TBSA estimation for children, accounting for age-related differences in body proportions.
Clinical Relevance
- Nursing practice connection: Use the key finding related to Fluid resuscitation formulas for burn patients to guide bedside assessment, documentation, and the next nursing action.
- Accurate fluid resuscitation is a critical nursing intervention to prevent burn shock, a life-threatening complication caused by massive fluid loss.
- Nurses must meticulously monitor urine output (target: 0.5-1 mL/kg/hr for adults) as the primary indicator of adequate tissue perfusion and renal function during resuscitation.
- It is essential to start the 8-hour clock from the time the burn occurred, not from the time the patient arrives at the hospital. A delay in starting fluids requires a faster infusion rate to 'catch up'.
How to Approach the Question
- First, identify the core of the question: it asks for the 'best' or most standard formula for burn fluid replacement.
- Analyze each option by breaking it down into its components: the formula's name, the multiplier (e.g., 4 mL, 2 mL), and the type of fluid (crystalloid vs. colloid).
- Recall the standard definition of the Parkland (Baxter) formula, which is a cornerstone of emergency nursing and burn care.
- Compare the options to the standard definition. The classic Parkland formula uses 4 mL of crystalloid (Lactated Ringer's). This makes option B the most accurate choice.
- Eliminate other options by identifying their inaccuracies: Holliday-Segar is for maintenance fluids, the 2 mL formula is not the 'Parkland' formula, and the Modified Brooke formula is incorrectly described in option D.
Concept Tested & Keywords
- Concept Tested: Fluid resuscitation formulas for burn patients.
- Stem keywords: burn patient, fluid replacement therapy, formula
- Lead-in keywords: best
Question ID
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