Photograph of a swallowable pill electrode used in the detection and analysis of cardiac arrythmia, including an Aspirin tablet for size... Show morePhotograph of a swallowable pill electrode used in the detection and analysis of cardiac arrythmia, including an Aspirin tablet for size comparison. The pill electrode was developed by Robert Arzbaecher at the Pritzker Institute of Medical Engineering (now Pritzker Institute of Biomedical Science and Engineering). Photographer unknown. Show less
