Voice analysis by a smartphone app identifies lung congestion in heart failure patients, allowing early intervention before their condition deteriorates. The small study is presented today on HFA Discoveries, a scientific platform of the European Society of Cardiology (ESC). "Speech is personal and as such, very small changes (related to the same person) can be detected—for example, the ability of parents to notice health issues by listening to their kids," said study author Professor Offer Amir, director of the Heart Institute, Hadassah Medical Centre, Jerusalem, Israel. "Today we report results of the first easy to use, non-invasive, personalized heart failure monitoring device. It requires a simple 30-second recording each day, in any language." Heart failure is one of the leading causes of morbidity and mortality, affe...