In the English law of tort, professional negligence is a subset of the general rules on negligence to cover the situation in which the defendant has represented him or herself as having more than average skills and abilities.
For decades, anesthesiologists advised patients not to eat or drink after midnight the night before surgeryâa guideline referred to as âNPO after midnight.â But many doctors now believe that some food and drinks, like tea or coffee without milk or cream, may be acceptable prior to a procedure.
Day of Surgery. 1  If instructed, drink carbohydrate-rich drink (ENSURE CLEARÂ®, 6.8 oz) 3 hours before procedure. 2  Take clear fluids only up to 3 hours before surgery or up until arrival at the Hospital. 3  Do not eat or drink anything after arriving at the hospital.