MADISON, Wis. — What if your doctor could swipe a wand over your neck and reveal whether you have hidden heart disease?
That is now possible in places other than the sickbay of the starship Enterprise.
Miniature ultrasound machines are starting to make their way into ordinary doctors’ offices, where they may someday be as common as stethoscopes and EKGs. A pocket-sized one weighing less than 2 pounds hit the market last week.