<prompt> In a 50 kg adult, how much of fluid should be given in first 8 hours in second degree burns of 40:2 liters4 liters8 liters6 liters  <response>: Ref. API Textbook of Medicine. Pg. 2010 The quantity of crystalloid needed for the adequate resuscitation is determined byParklands formula i.e 4mlkg per of TBSA burn note that a number of formulas exist for calculating fluids needs during burn resuscitation, suggesting no one formula benefits all patientsHalf of the calculated fluid is given in the first 8hrs and half in next 16 hrsColloids are given in the next 24 hrs Patients weight -50 kg , Total body surface area burnt -40so the amount of fluid required for the above patient --- 4ml × 50 × 40 8000mlSo, as half of the fluid given in the first 8 hrs and half in next 16 hrsSo, the amount of fluid to b given in first 8 hrs total fluid required 2 80002 4000ml or 4 litres. 