Video explanation<unk>  typically presents in children under two years old and is characterized by a constellation of respiratory symptoms that consists of fever, rhinorrhea, cough, wheeze, tachypnea and increased work of breathing such as nasal flaring or grunting that develops over one to three days. Crackles or wheeze are typical findings on listening to the chest with a stethoscope. The child may also experience apnea, or brief pauses in breathing. After the acute illness, it is common for the airways to remain sensitive for several weeks, leading to recurrent cough and wheeze. Some signs of severe disease include: * poor feeding (less than half of usual fluid intake in preceding 24 hours) * significantly decreased activity * history of stopping breathing * respiratory rate >70/min * presence of nasal flaring and/or grunting * severe chest wall recession (Hoover's sign) * bluish skin
Bronchiolitis
Heart failure
Bronchitis
Asthma
Bronchitis kettle
Pneumonia
Croup
Cystic fibrosis