The device is small enough to fit in a coat pocket and is relatively quick to use. It is certainly quicker then then getting to a hospital to use a standard ultrasound and could provide lifer saving information 'in the field'.
Picture embedded below.
"Three minutes. That’s how long it will take your doctor to use the world’s smallest ultrasound device to find out if your chest pain is caused by fluid buildup around your heart—an early sign of congestive heart failure—or if it’s just last night’s chicken vindaloo.
Due out this year, the Vscan by General Electric does everything that a conventional briefcase-size ultrasound computer can do. Glide the mini transducer wand over the patient, and it emits ultrasound waves that travel through the body. A computer measures the timing and magnitude of the return echoes and turns that data into a high-resolution 2-D image."