Pneumonia is a common pathology with significant morbidity and mortality. It is recommended in his diagnostic approach to perform either a chest X-ray or a pleuropulmonary ultrasound. Previous studies have shown the advantages of ultrasound in terms of diagnostic performance cost and patient irradiation. However, it remains little used in clinical practice.
Patient over 18 years admitted the the emergency department of Grenoble Alpes University Hospital with respiratory symptoms (cough and/or dyspnea, fever).
No objection by the subject to the study
Affiliated to the french social security system (or equivalent)
Patient admitted to a life-threatening emergency
Patient already on antibiotic therapy on admission
Patient excluded from another study
Patient with respiratory signs following chest trauma