TY - CHAP M1 - Book, Section TI - Chapter 7. Pulmonary A1 - Silva, Fernando R. A1 - Mills, Lisa D. A2 - Ma, O. John A2 - Mateer, James R. A2 - Reardon, Robert F. A2 - Joing, Scott A. PY - 2014 T2 - Ma and Mateer's Emergency Ultrasound, 3e AB - The lungs have traditionally been considered a barrier to ultrasound imaging because large changes in acoustic impedance result in ultrasound reflection and the acoustic impedance of air is extremely low compared with anatomic tissues. It was not until 1986 that the diagnosis of pneumothorax with ultrasound was reported in veterinary medicine.1 In 1995, Lichtenstein published his landmark paper describing the most fundamental element of pulmonary ultrasound, the lung sliding sign.2 SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/03/28 UR - accessemergencymedicine.mhmedical.com/content.aspx?aid=57790831 ER -