eFAST

eFAST is a rapid (a few minutes) ultrasound protocol used in the context of blunt or penetrating trauma which can be used to identify free fluid in the peritoneum, which is presumably blood, as well as pneumothorax, haemothorax, or pleural effusion. It involves examining a certain set of abdominal and thoracic regions for free fluid.

Order of examination:

• Hepatorenal region -> Pericardium -> Perisplenic -> Suprapubic -> Right and left chest