Change: space with reduced or no air out of the pleural space. Tension pneumothorax is a life-threatening condition. 6. Mediastinal Shift The mustmost obvious sign of pneumothorax on this image is mediastinal shift to the right. Also note fractured ribs on left fractured left scapula visible lung edge/visceral pleura fractured   View changes from previous version. (Word count: 1977)

Change:  There is mediastinal shift to the left. The right lung edge is visible There are a variety of signs of pneumothorax on this image. Note that the left heart border appears too contrasty or delineated. Compare it with the right heart border. This is an example of etched mediastinum.   View changes from previous version. (Word count: 1775)

Change:  Notice that there are no lung structures visualised through the right hemi-diaphragm. Compare this patient's right hemidiaphragm with the image below. There are a variety of signs of pneumothorax on this image. Note that the left heart border appears too contrasty or delineated. Compare it with the right heart border.   View changes from previous version. (Word count: 1754)

Change: or delineated. Compare it with the right heart border. This is an example of etched mediastinum. The high contrast left heart border is caused by the change in the adjacent structure- on   View changes from previous version. (Word count: 1710)

Change: 1998; 209:567-569. http://radiology.rsnajnls.org/cgi/reprint/209/2/567 Further Reading 1 ANDREW R C CUMMIN, MICHAEL J SMITH, ALAN G WILSON, Pneumothorax in the supine patient. BRITISH MEDICAL JOURNAL VOLUME 295 5 SEPTEMBER 1987 http://www.pubmedcentral.nih.gov/picrender.fcgi?artid=1248755&blobtype=pdf 2. Fred M. H. Ziter, Jr.1 Jack L. Westcott. Supine Subpulmonary Pneumothorax . AJR 137:699-70i, October 1981http://www.ajronline.org/cgi/reprint/137/4/699   View changes from previous version. (Word count: 1677)

Change: will ignore the UWSD for a moment. The other supporting evidence in thisdotted filmline is asthe follows mechanismmedial oflung injuryborder (MVA)pulmonaryoutlined contusionby onair rightsubcutaneousin emphysemafracturedthe rightpleural scapula space ... and of course, Source: UWSDhttp://www.mypacs.net/cases/SUPINE-PNEUMOTHORAX-ON-DAY-1-CXR-11464797.htm   View changes from previous version. (Word count: 1641)

Change:  If you are not familiar with sizing a pneumothorax using the average interpleural distance there should be plenty of material on google. Note that the   View changes from previous version. (Word count: 1538)

Change: Byung Gil Choi, MD. Seog Hee Park, MD. Eun Hee Yun, MD. Kyung Ok Chae, MD. Kyung Sub Shinn, MD Pneumothorax Size:Correlation of Supine Anteroposterior with Erect Posteroanterior Chest Radiographs. Radiology 1998; 209:567-569. http://radiology.rsnajnls.org/cgi/reprint/209/2/567 Further Reading 1 ANDREW R C CUMMIN, MICHAEL J SMITH,   View changes from previous version. (Word count: 1435)

Change: The left lung appears more opaque than the right lung. The increased translucency of the right lung is caused by the right pneumothorax. Care must   View changes from previous version. (Word count: 1365)

Change: A pneumothorax is a serious finding and should be reported by the radiographer to the referring doctor as soon as possible (check your department protocol). Radiologists will be very familiar with the signs of supine pneumothorax whereas most clinicians wont. Summary The supine pneumothorax is more   View changes from previous version. (Word count: 1262)