1 Rotavirus is the leading cause of gastroenteritis among children 3 to 15 months old. 2  Most children have been exposed to the virus by age 2. Children with rotavirus have vomiting and watery diarrhea for 3 to 8 days, along with fever and abdominal pain. Symptoms of rotavirus infection appear 1 to 2 days after exposure. 2  In the United States, rotavirus infections are most common from November to April. 3  Adenovirus serotypes 40 and 41 cause gastroenteritis mainly in children younger than 2 years old.
A capnograph is a device that measures the concentration of CO2 in exhaled air. It is used to monitor patient status for different types of illnesses. The device graphs partial pressure of CO2 vs. Time.
Phonograph definition, any sound-reproducing machine using records in the form of cylinders or discs. See more.