关键词: 肺炎, 超声检查, 诊断, 综述

Abstract: Pneumonia is a major health and economic problem，with considerably high morbidity and mortality.The accurate diagnosis and timely treatment of patients can improve its prognosis.Adult pneumonia can be accurately diagnosed by lung ultrasound（LUS），which is comparable with X-ray examination for specificity and sensitivity.LUS can also be employed to assess the effect of treatment for pneumonia.The most important criterion for the diagnosis of pneumonia via LUS is the presence of air bronchograms in the hypoechoic region on the sonogram，as well as pleural effusions in the basal section of the lung.LUS has the advantages of convenience，effectiveness，low cost and being free of radiation risk，and can be clinically applied as an important measure in the diagnosis of pneumonia.

Key words: Pneumonia, Ultrasonography, Diagnosis, Review