May Be Caused by

 Common

Acute bronchitis

Acute diffuse bronchiolitis

Asthma

Bronchopulmonary dysplasia

Bullous emphysema

Chronic bronchitis

Chronic obstructive emphysema

Congenital heart disease

Cyanotic congenital heart disease with precapillary hypertension vascularity

Cystic fibrosis

Deep inspiration

Hyperventilation

Laryngeal narrowing

Laryngeal obstruction

Pseudotruncus arteriosus

Pulmonary hypertension

Right heart obstruction

Tetralogy of Fallot

Tracheal narrowing

Tracheal obstruction

 Uncommon

Antitrypsin deficiency

Bronchiolitis obliterans

Central pulmonary thromboembolism

Graft-versus-host disease

Immunologic disorder

Infantile diffuse bronchopneumonia

Influenza

Measles

Pertussis

Thermal bronchiolitis

Tracheoesophageal fistula