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exposure criteria
ch.11 bony thorax exposure criteria
Question | Answer |
---|---|
sternum visualized, superimposed on heart shadow. sternum is visualized alongside vertebral column w/ no superimposition. outline of sternum through overlying ribs, lung, and heart is shown. | RAO Sternum |
entire sternum w/ minimum overlap of soft tissues no superimposition of humeri, shoulders, or soft tissues on sternum entire sternum w/ no superimposition of ribs | Lateral Sternum |
lateral aspect of the manubrium & medial portion of clavicles are visualized lateral to the vertebral column through superimposing ribs & lungs. equal distance b/w sc joints from vertebral column. | PA Sternoclavicular Joints |
manubrium, medial portion of clavicles, & sternoclavicular joints are visualized. SC Joint on upside will be foreshortened. Downside SC Joint is visualized w/ no superimposition of vertebral column or manubrium. SC Joints visualized through overlyin | RAO & LAO Sternoclavicular Joints |
Above diaphragm: ribs 1-10 shown Below Diaphragm: ribs 8-12 shown no rotation of thorax visualize ribs through lungs and heart shadow | AP Posterior Ribs |
PA Anterior Ribs | ribs 1-9 or 10 shown no rotation of thorax visualize ribs through lungs and heart |
Unilateral Rib Study (AP/PA) | above diaphragm:ribs 1-10 below diaphragm:ribs 8-12 no rotation of thorax visualize ribs through the lungs and heart shadow |
above diaphragm:ribs 1-10 below diaphragm:ribs 8-12 axillary ribs in profile w/ spine shifted away from area of interest. ribs shown through lungs and heart shadow | Posterior or Anterior Oblique Axillary Ribs |