The FDA-approved device allows clinicians to use one finger to image, leaving both hands free to simultaneously perform procedures, such as taking biopsies, inserting catheters and other needle-guided work. “It’s intuitive and easy to learn,” Hatlan said. “That’s why the Army has been very interested in carrying this forward.” The current focus is to optimize performance in the eFAST exam.
The eFAST exam is the standard of care for trauma (extended Focused Assessment Sonography for Trauma) but encounters several limitations on the battlefield due to the size, weight, simplicity of traditional ultrasound systems.
The assessment typically uses two frequencies:
- A low frequency to assess internal bleeding in the abdomen and pericardium
- A high frequency to detect pneumothorax and use for other applications such as line placements and MSK and ocular examinations