3Chelly MR, Margulies DR, Mandavia D, et al. The evolving role of FAST scan for the diagnosis of pericardial fluid [ J ]. J Trauma, 2004,56(4) :915-917.
4Kirkpatrick AW. Clinician-performed focused sonography for the resuscitation of trauma[ J ]. Crit Care Med, 2007,35 ( 5 ) : 162- 172.
5Blaivas M,Lyon M,Duggal S. A prospective comparison of su- pine chest radiogrphy and beside ultrasound for the diagnosis of traumatic pneumothorax [ J ]. Acad Emerg Med, 2010, 12 ( 9 ) : 844-849.
6Tsubo T, Sakai I, Suzuki A ,et al. Density detection in dependent left lung region using transesophageal echocardiography [ J ]. Anesthesiology, 2001,94 ( 5 ) :793-798.