Ultrasound proves just as useful as CT for detecting free air

February 20, 2009 Diagnostic Imaging. Ultrasound proves just as useful as CT for detecting free air By Rebekah Moan Japanese researchers have established by studying nearly 500 patients that ultrasound is just as useful as CT in diagnosing intraperitoneal free air in patients suffering from abdominal pain or acute injury. After blunt trauma, it is important to diagnose gastrointestinal perforation, especially in the peritoneal cavity. In the U.S., CT is used almost exclusively for the workup of acute abdominal pain, but Dr. Yoshihiro Moriwaki from the Critical Care and Emergency Center at Yokohama City University and colleagues argue for ultrasound.

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