FAST Ultrasound Scan Normal Vs Abnormal Images | Focused Assessment With Sonography For Trauma USG **Cases Intro - 0:00 Pericardial Effusion - 0:07 Abdomino-Pelvic Fluid - 2:12 Pneumothorax - 7:31 Pericardial Effusion: Anechoic fluid within pericardial space Small: maximal depth of fluid collection less than 1 cm Moderate: maximal depth of fluid = 1–2 cm Large: maximal depth of fluid greater than 2 cm Abdomino-Pelvic Fluid: Anechoic free fluid in Morrison’s pouch Anechoic free fluid in paracolic