Rapid bedside ultrasound protocol assessing free fluid in four views
Expansion
Focused Assessment with Sonography in Trauma
Purpose
Detects intra-abdominal and pericardial haemorrhage in trauma; guides resuscitation and operating room decisions
Clinical Context
FAST takes 2 to 3 minutes. Views include Morrison pouch (right upper quadrant), spleen (left upper quadrant), pelvis, and pericardium. Excellent sensitivity for significant haemorrhage (approximately 200 to 400 millilitres).
Related Terms
- TRAUMA CT
- eFAST
- Trauma imaging
Key Points
- FAST positive (free fluid) in unstable trauma equals indication for operating room without CT