Along with teleportation, speech-driven computers and hand-held wireless communicators that flip open, the medical tricorder was one of many imaginary future technologies featured in “Star Trek”. Ever since, researchers have dreamed of developing a hand-held medical scanner that can take readings from a patient and then diagnose various conditions. Now, nearly five decades after “Star Trek” made its debut in 1966, the dream is finally edging closer to reality.
…[AliveCor] has developed an iPhone case with two electrodes that can perform an electrocardiogram (ECG). Dr Topol recently used a prototype to assess a fellow passenger on an aircraft who was suffering from chest pain. He concluded the passenger was having a heart attack, and the plane was diverted. Other firms are also developing medical add-ons for smartphones. MobiSante, based in Redmond, Washington, has devised a smartphone-based ultrasound system that was granted FDA clearance in early 2011. A hand-held ultrasonic probe plugs into a smartphone, which generates and displays an image. It costs $7,500, a fraction of the price of a conventional ultrasound.