<prompt> IV formula for Bum isTotal body surface area x weight kg x 4 volume mlTotal body surface area x weight kg x 5 volumcmlTotal body surface area x weight kg x 6 volume mlTotal body surface area x weight kg x 7 volume ml  <response>: A. i.e. Total body surface area x weight kg x 4 volume ml 384 -B L 25th Simplest and most widely used formula is the Parkland formulaTotal body surface area x weight kg x 4 Volume ml Half this volume is given in the first 8 hours and second half is given in the subsequent 16 hours In children with bum over 10 TBS A and adults with bums over 15 TBSA, consider the need for intravenous fluid resuscitation The key is to monitor urine output The commonest colloid - based formula is the Muir and Barclay formula0.5 x body surface area burnt x weight one portion Ringer lactate is the most commonly used crystalloid 