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FAST SCANNING, Focused assessment with sonography for trauma, (FAST) scanning represents a non invasive, diagnostic tool, where bed side ultrasound is used, to rapidly identify free fluid in the abdomen, pelvis, and pericardium, using four views, 1.Hepatorenal recess window, 2. Splenic window, 3.Subxiphoid pericardial window, 4.Suprapubic window, FAST scanning has a 56 %sensitivity in identifying, pericardial fluid and 80 to 90 %specificity but, currently has poorly defined role in identifying, cardiac trauma., eFAST, Extended focused assessment with sonography for, trauma (eFAST) scanning, in addition to the, standard FAST scan views, assesses the thoracic, cavities, with two views

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1.Bilateral hemithoraces to assess for a hemothorax, 2.Upper anterior chest walls to assess for a, pneumothorax, Thanks