When should a patient with a likely diagnosis of gastroenteritis be admitted and treated in hospital? What is gastroenteritis? In one three-mile region, 300 cases of gastroenteritis were reported in one day. Should all cases of gastroenteritis be admitted and treated in hospital? Where can such cases be diagnosed, reported, and treated - primary health center, clinic, subdistrict hospital, or home visit by a medical doctor? Patient can report directly to hospital OPD or hospital emergency. Can the nearest hospital admit and treat all these cases? Do all cases of gastroenteritis need admission and treatment in hospital? When should a case of gastroenteritis be admitted and treated in hospital? Does the patient have symptoms and signs of dehydration? Is the patient febrile? Is the patient not responding to oral medicines and oral rehydration? Does the patient have gastroenteritis with other complications? If the answer to any one of the above questions is yes, the patient should be admitted and treated in a hospital. How do you classify dehydration? Mild Moderate Severe What are the types of dehydration? Isonatremic dehydration. Hypernatremic dehydration. Hyponatremic dehydration. Isonatremic (130-150 mEq/L) Severe hyponatremia (<130 mEq/L) Severe hypernatremia (>150 mEq/L) What is the treatment of acute severe isonatremic dehydration? Severe acute isonatremic dehydration is administered 20-40 mL/kg of isotonic sodium chloride solution or lactated Ringer solution over 60 minutes.