Sparrow Launches Stethophone

Seven months after it won United States Food and Drug Administration approval, St. John’s-based Sparrow Bioacoustics has launched its stethoscope app for smartphones in the United States.
The app, called Stethophone, uses a phone’s internal microphones, along with software processing, to allow the device to function as an ad hoc stethoscope when it is held against a patient’s chest. And in a nod