ERC Designs Battery-free Electrocardiogram Armband That Never Misses a Beat

Achievement date: 
2021
Outcome/accomplishment: 

Researchers at the NSF-funded Engineering Research Center (ERC) for Advanced Self-Powered Systems of Integrated Sensors and Technologies (ASSIST), headquartered at North Carolina State University, have designed a battery-free armband that continuously measures electrocardiogram activity without missing a beat. The armband transmits a cardiac signal that can track everyday activities.

Impact/benefits: 

The battery-free electrocardiogram (ECG) armband integrates cutting-edge technologies that provide continuous monitoring for individuals with cardiovascular disease such as atrial fibrillation. As a wearable device, the armband transmits ECG readings wirelessly from any location over long periods of time, eliminating the need for bulky monitoring equipment.

Explanation/Background: 

ECG measurements are routinely taken by doctors to monitor heart health but the current process is cumbersome. Measurements must be taken in a hospital or a doctor’s office, with up to 12 electrodes placed on the body to capture the heart’s signal.

Although short-term, portable monitoring has been introduced for patients to use at home, the Center’s alternative, long-term wearable device can track and predict cardiac episodes using only three electrodes. The individual’s data is transmitted wirelessly from the armband to a smart phone or other Bluetooth-enabled devices.