A 9Kg, ill-appearing infant presents to the ED with dry mucous membranes, poor skin turgor, crying with no tears, and a capillary refill time

A 9Kg, ill-appearing infant presents to the ED with dry mucous membranes, poor skin turgor, crying with no tears, and a capillary refill time of > 2 seconds. Her blood pressure is normal and peripheral perfusion is adequate. Her Mother gives you a reliable history and reports that she weighed 10.1 kg at her last well child checkup. She states that the infant has been vomiting for the past 24 hrs and has had 3 stools that she described as pure water. Serum Na = 140 mEq/L, K = 4.0 mEq/L, Cl 115 mEq/L, and HCO3 = 18 mEq/L. The data (CC, Hx and labs) and physical exam on the patient described above support which of the following problems and diagnoses? A 9Kg, ill-appearing infant presents to the ED with dry mucous membranes, poor skin turgor, crying with no tears, and a capillary refill time of > 2 seconds. Her blood pressure is normal and peripheral perfusion is adequate. Her Mother gives you a reliable history and reports that she weighed 10.1 kg at her last well child checkup. She states that the infant has been vomiting for the past 24 hrs and has had 3 stools that she describe