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“ Good to Know “
The Rule of Nine-Wallace Rule of Nines
The front and back of the head and neck equal 9% of the body’s surface area. The front and back of each arm and hand equal 9% of the body’s surface area. The chest equals 9% and the stomach equals 9% of the body’s surface area. The upper back equals 9% and the lower back equals 9% of the body’s surface area.
Its Application:
The Rule of Nines, also known as the Wallace Rule of Nines, is a tool used by trauma and emergency medicine providers to assess the total body surface area (TBSA) involved in burn patients. Measurement of the initial burn surface area is important in estimating fluid resuscitation requirements since patients with severe burns will have massive fluid losses due to the removal of the skin barrier.
The Rule of Nines has been shown to be the most frequently recited algorithm by physicians and nurses for estimating burn surface area in numerous studies