Acute Bronchiolitis Diagnosis

Acute Bronchiolitis
Diagnosis
Positive diagnosis:
Positive diagnosis put the clinical data correlating the results of expert investigations. Chest radiograph shows a pulmonary supradistensie global symmetrical with hiperclaritatea both lung fields, orizontalizate ribs, intercostal spaces than enlarged the dome diaphragm is flattened and anterior-posterior diameter of the chest is increased. Obstruction may occur secondary atelectazii bronsiolare and highlights and disseminated opacities of varying sizes.
CBC is normal, biological markers of inflammation, ESR (erythrocyte sedimentation rate), fibrinogen, C-reactive protein were normal.
Isolation of virus in nasopharyngeal secretions by PCR (polymerase chain reaction) or cultures do not represent the current investigation.
The differential diagnosis is with other causes of dyspnea: - Acute laryngitis slow breathing with inspiratory cornaj; - Compressive mediastinal lymph nodes TB (chest radiograph reveals mediastinal opacity); - Pulmonary edema with heart failure (cardiomegaly, gallop); - Giant lobar emphysema; - Bacterial pneumonia (radiographic outbreaks condensation bubbles); - Foreign body airway recognized by history, radiography, bronchoscopy; - Cystic fibrosis; - Asthma attack (before one year is exceptional) advocates in its favor: a family history of asthma, recurrent episodes of wheezing in the same infant, sudden onset of symptoms, without previous signs of infection, eosinophilia and immediate response to a single administration doses of beta-adrenergic agonist (salbutamol).