EFAST Flashcards
What are the 2 indications for a FAST exam?
- trauma
- abdominal pain
Is the EFAST a specific or sensitive test?
-specific = RULES IN
How do you tell the difference between a cyst and free fluid?
- cyst = well circumscribed
- free fluid = spread out with pointed edges
T/F: You cannot differentiate blood and urine on an EFAST exam.
True
Where would you expect to see free fluid in a RUQ EFAST exam?
- Hepatorenal recess (Morrison’s Pouch)
Where is the probe placed in an RUQ EFAST exam?
- 8-11th rib spaces in mid-axillary line
What is the space between the spleen and kidney called?
- splenorenal recess
Where is the probe placed in a LUQ EFAST exam?
- 6-9th rib spaces in posterior-axillary line
Where does free fluid accumulate in a LUQ EFAST exam?
Superior to the spleen
Where does free fluid accumulate in males in respect to the bladder?
- fluid pools behind the bladder but must be aware of seminal vesicles*
Where does free fluid accumulate in females in respect to the bladder?
- fluid pools in potential space: Pouch of Douglas (recto-uterine pouch)
Using the M-mode, which of the following signs is positive or negative for a pneumothorax?
a. seashore sign
b. barcode sign
a. seashore sign = negative
b. barcode sign = positive for pneumothorax
what is the “lung point”
the point where the visceral and parietal pleura are separated
What is the “spine sign” what does it indicate?
- spine sign = ability to see the spine above the diaphragm; suggests fluid
T/F: U/S has been shown to be more sensitive than CXR in the diagnosis of pneumothorax.
TRUE
