The HearO app can diagnose congestive heart failure from the sound of your voice long before symptoms appear (Cordio Medical) Cordio Medical’s HearO designated as FDA Breakthrough Device as pilots run across US, Europe “The puppy sat on the ship.” That was one of five potentially life-saving sentences that heart patients spoke into their smartphones during a US trial for HearO, the groundbreaking app that detects signs of congestive heart failure (CHF) simply by monitoring a person’s voice. Created by startup Cordio Medical, the system’s artificial intelligence algorithms detect voice changes …