Fig. 1

The insulating device used to allow underwater chest ultrasound. a Schematic representation of the setup. b The opened case (black), with the ultrasound apparatus inside (still charging; green) and the ultrasound probe connected (red); the orange arrow indicates the frontal panel and the glove used to operate the ultrasound. c First test of the empty case; the blue arrow indicates the air tank. d Sides of the insulating device with the wheels used to move it, the inlet circuit (purple arrow), and the outlet valve (yellow arrow). e One of the authors (EG) testing the device underwater; on the right side, the ultrasound probe (red line) sticks out of the metallic case through a dedicated sealed aperture (black line)