Please use one of the following formats to cite this article in your essay, paper or report:APA Dr. Nikitha Narayanan. Smart Stethoscope Spots Heart Trouble in Just 15 Seconds . "Smart Stethoscope Spots Heart Trouble in Just 15 Seconds". "Smart Stethoscope Spots Heart Trouble in Just 15 Seconds". Smart Stethoscope Spots Heart Trouble in Just 15 Seconds.