Heartbeat by sound: Scientists develop non-invasive pacemaker

Researchers have developed an experimental wearable pacemaker that uses focused ultrasound to stimulate the heart without placing a device or electrical leads inside the body. The system, developed by scientists from the University of Southern California, Massachusetts Institute of Technology, and collaborating institutions, has been tested in engineered human heart cells and animals. The device is a small patch that sits on the chest and uses sound waves to help keep the heart beating normally. This innovation could potentially eliminate the need for surgery, implanted hardware, and repeat procedures associated with traditional pacemakers.

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