Science news articles about 'holter monitors'

... coronary artery disease, 24-hour Holter monitors were used to examine electrocardiograms for the conductivity change ... visit. Researchers averaged monitor readings over each half-hour, providing 5,979 ...

... U.S. Environmental Protection Agency (EPA). The volunteers are fitted with Holter monitors providing electrocardiograms, and are monitored for exposure to air pollution and noise. After they are ...