Emergency Medical Technician (EMT) Intermediate Practice Exam

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In a patient with partial- and full-thickness burns covering 45% of BSA, what volume of IV crystalloid should be administered per hour based on the Parkland formula?

  1. 450 mL

  2. 620 mL

  3. 960 mL

  4. 1200 mL

The correct answer is: 620 mL

To determine the correct volume of IV crystalloid to be administered per hour based on the Parkland formula, it's essential to understand how the formula is applied in the context of burn injuries. The Parkland formula is used to calculate the fluid resuscitation requirements for burn patients, and it states that the total fluid volume required in the first 24 hours after a burn injury is equal to 4 mL multiplied by the patient's weight in kilograms and the total body surface area (BSA) burned expressed as a percentage. In this scenario, we begin with the understanding that the burn covers 45% of the total body surface area. If we assume a typical adult weight for ease of calculation, let's use a weight of 70 kg for this example. According to the formula: Total volume in the first 24 hours = 4 mL x weight (kg) x BSA burned (%) = 4 mL x 70 kg x 45% = 4 mL x 70 x 0.45 = 126 mL per hour. However, since the total volume calculated is for a full 24 hours, for the first half of this period—in the first 8 hours, patients receive half of the calculated

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