The FAST exam helped pave the way for Emergency point of care ultrasound. Compared to many emergency US applications still in their infancy, the FAST exam has been thoroughly studied, widely implemented, and has proven utility. … sorry transcranial US… The FAST has been around since the 1970’s and replaced DPL, it is very sensitive and even more specific. This makes it especially useful as a ‘rule-in’ test allowing expedition of surgery in …