POCUS findings:

1. Pneumoperitoneum 
(longitudinal scan at subxyphoid region & focus on liver surface)

2. Scissors maneuver
(use probe to compress the epigastrium & expel free air)

3. Perforated tract
(not alway possible;
look for thicken wall and hyperechoic gas extend to extraluminal area)

POCUS for Acute ABDOMEN
M for free moving fluid & air

Perforated tract

Scissors maneuver to expel the free air

POCUS for Acute ABDOMEN

Try this !!

84M, sudden onset of epigastric pain