Wireless ultrasound patch 1 (IMAGE) University of California - San Diego Caption A wearable ultrasonic-system-on-patch mounted on the chest for measuring cardiac activity. Credit Muyang Lin Usage Restrictions Please credit: Muyang Lin License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.