<prompt> 38 year old hypothyroid female patient presents for uterine fibroid excision. She is 55 and weighs 60 kg. She ate at 8 PM the previous night and took thyroxine tablet with sip of water in the morning. If the case is supposed to start at 8 AM, what is fluid deficit1.5L1.2L1.4L1.6L  <response>: Remember 4:2:1 rule for maintenance fluid, the first 10 kg should receive 4mlhr, the second 10 kg of the patient should receive 2mlhr and rest after that should receive 1mlhr402040100Since patient was nil per orally for 12 hours 12 100 1200ml is the fluid deficit. 