PAEA Surgery End Of Rotation (EOR) Practice Exam

According to the Parkland formula, how is fluid administration divided for burn patients?

1. The first half over 6 hours and the second half over 12 hours

2. The first half over 8 hours and the second half over 16 hours

3. The first half over 12 hours and the second half over 24 hours

4. The first half over 4 hours and the second half over 10 hours

The correct answer is: The first half over 8 hours and the second half over 16 hours

The Parkland formula is a critical guideline for fluid resuscitation in burn patients, formulated to calculate the amount of crystalloid fluid needed in the first 24 hours following burn injury. According to this formula, the total fluid requirement is calculated based on the patient's weight and the total body surface area (TBSA) affected by burns. The correct method for fluid administration involves dividing the total volume of fluid, which is given as the result of the Parkland formula, into two distinct portions. The first half of this volume should be administered within the first 8 hours post-burn, while the remaining half is given over the next 16 hours. This approach ensures that the patient receives adequate fluid resuscitation during the critical early period when they are at greatest risk for hypovolemia and shock. The rationale for this specific division is to allow for a rapid initial resuscitation phase, which is crucial considering the high risk of complications resulting from inadequate fluid replacement. This orderly distribution of fluids maximizes the chances of maintaining hemodynamic stability and improving outcomes in burn management. Understanding the Parkland formula and the fluid resuscitation timeline is essential for managing patients with burns effectively, emphasizing why proper adherence to these time frames is vital in clinical practice