Medical Notes: Week of July 28, 2019

Medical Notes for the week of July 28, 2019, including: A new study from Drake University show that EpiPens contained the required does of epinephrine more than two years after their expiration date. Then, a new virtual biopsy device that creates digital images of skin lesions non-invasively and at a fraction of the cost. And finally, with the right skill, your Alexa or Google Home devices could detect the distinctive gasping sound of someone who's in cardiac arrest.