NORCET -4 , 2023
Medical & Surgical Nursing
Easy
Parkland formula for fluid calculation in burn patients should be calculated by?
Appeared in: NORCET -4 , 2023
Explanation
- The Parkland formula is a standard guideline for the initial fluid resuscitation of burn patients during the first 24 hours post-injury.
- The formula specifies using 4 mL of Lactated Ringer's solution per kilogram of body weight, multiplied by the percentage of total body surface area (%TBSA) burned.
- This calculation determines the total fluid volume needed over 24 hours to compensate for the massive fluid shifts and prevent hypovolemic shock (burn shock).
- The administration is timed, with half the volume given in the first 8 hours from the time of injury and the remaining half over the next 16 hours.
Why Other Options Were Wrong
- Option B: Using 3 mL/kg/%TBSA is an underestimation according to the standard Parkland formula. While it falls within the range of the Consensus formula (2-4 mL), it is not the specific value for the Parkland formula.
- Option C: Using 2 mL/kg/%TBSA is the basis for the older Brooke Army formula, not the Parkland formula. This volume would likely be insufficient for initial resuscitation in many adult patients with major burns.
- Option D: Using 1 mL/kg/%TBSA would lead to severe under-resuscitation and a high risk of burn shock and organ failure. This amount is far too low for initial fluid replacement in major burns.
Related Visual
- Visual 1: Diagram: A simple graphic illustrating the Parkland formula: [4 mL] x [Weight in kg] x [% TBSA Burn] = Total Fluid in 24 hrs.
- Visual 2: Chart: The 'Rule of Nines' for adults, showing how to quickly estimate the Total Body Surface Area (TBSA) percentage for different body parts.
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Calculation of fluid resuscitation requirements in burn patients using the Parkland formula as background academic context rather than a clinical decision trigger.
- Accurate calculation and administration of fluids via the Parkland formula is a critical nursing skill to prevent burn shock, which is a life-threatening complication caused by massive fluid loss.
- Nurses must understand that the formula is a guideline. The most important task is to titrate the fluid rate based on the patient's response, with urine output being the primary indicator of adequate organ perfusion (target: 0.5-1 mL/kg/hr in adults).
- In the Indian context, where burn injuries are common, nurses in emergency and critical care settings must be proficient in initiating and managing burn resuscitation.
How to Approach the Question
- First, identify the key term in the question, which is 'Parkland formula'.
- This is a factual recall question that tests your knowledge of a specific, commonly used medical formula.
- Recall the components of the Parkland formula for burn resuscitation.
- The formula is defined by a specific multiplier for the fluid volume. Your task is to remember this number.
- Evaluate the options provided. Each option presents a different multiplier (4, 3, 2, 1).
- Select the option that correctly states the multiplier for the Parkland formula, which is 4 mL.
Concept Tested & Keywords
- Concept Tested: Calculation of fluid resuscitation requirements in burn patients using the Parkland formula.
- Stem keywords: Parkland formula, fluid calculation, burn patients
- Lead-in keywords: calculated by
- Negative lead-in flag: false
Question ID
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