Surgery IV rule for bums- A % body surface area × weight in pounds × 4 = Volume in ml B % body surface area × weight in Kgs × 4 = Volume in Lts C % body surface area × weight in Kgs × 5 = Volume in ml D % body surface area × weight in Kgs × 4 = Volume in ml 💡 Explanation IV rule for bums- ✓ Correct Answer: D. % body surface area × weight in Kgs × 4 = Volume in ml