What is theFAST?
Limited ultrasound examination for
detection of free fluid in the torso in
trauma patients
5.
The FAST examis used to answer two simple
questions:
• Is fluid present in the pericardial sac?
• AND: Is free fluid present in the peritoneal cavity?
The extended FAST, or EFAST is used to answer two
additional questions:
• Is fluid present in the pleural cavity?
• AND: Is air present in the pleural cavity?
7.
There are 4standard views or windows that are obtained as
part of the FAST. These are
• the subxiphoid view for evaluation of a pericardial effusion.
• The RUQ view, for assessment of free fluid in Morrison’s
pouch which is a potential space between the liver and the
right kidney.
• The LUQ view, examining for free fluid around the spleen.
• The final view is a pelvic window assessing for free fluid
cephalad to the bladder.