Burn
Question 1. What is Wallace’s rule of nine? Calculate the amount of fluid that should be ideally transfused to an adult weighing 60 kg and having 50% deep burns in the first 24 hours.
Answer. Wallace’s rule of nine is given by Wallace for early assessment of the extent of the burn in terms of body surface area.
Burn: A burn is a wound in which there is coagulative necrosis of tissue.
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The amount of fluid that should be ideally transfused in case of burn is calculated by:
Burn Muir and Barclay Formula
1 ration =% of burn × Body weight (kg)/2
3 rations in 12 hours, 2 rations in the next 12 hours, and 1 ration in the next 12 hours.
50% burns patients weighing 60 kg
1 ration = 50 × 60/2= 1500 mL
1st 12 hours: 1500 × 3 = 4500 mL
2nd 12 hours: 1500 × 2 = 3000 mL
Total 7500 mL fluid in 24 hours.
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