Ped Problems of Oxygenation Part II,100% CORRECT

Ped Problems of Oxygenation Part II Alterations of the Lower Respiratory Tract • Pneumonia * • Bronchiolitis/RSV • Asthma • Bronchopulmonary Dysplasia (BPD) • Cystic Fibrosis • Foreign Body Obstruction/Aspiration RESPIRATORY SYNCYTIAL VIRUS (RSV) • Viral • Affects upper and no always lower respiratory tract – complication • Causes inflammation and increased mucus o Leads to obstruction which leads to air trapping o Over-inflation of lungs • Each year, on average, in the US, RSV leads to: o 57,527 hospitalizations among children younger than 5 years old o 2.1 million outpatient visits among children younger than 5 years old o 177,000 hospitalizations and 200 deaths in children per yr and 14,000 deaths among adults older than 65 years old • Most infants are infected before 1 year of age, and virtually everyone gets an RSV infection by 2 years of age. Incidence • Peak age 2-7 months • Peak time of year: November – March • RSV is responsible for 45-75% of cases of bronchiolitis • Responsible for many cases of pneumonia First manifests as URI