Enhanced peritoneal stripe sign suggestive of free air in the peritoneum (also known as that other EPSS) on POCUS 80 yo M with abdominal pain. Hypotensive and tachycardic on arrival. #POCUS performed prior to CT. What's abnormal in this RUQ view? MaimoUltrasound @MaimoUltrasound #EPSS #pneumoperitoneum #freeair #clinical #pocus #abdominal