DETECTING AND DISTINGUISHING CARDIAC-PACING ARTIFACTS

摘要

When a heart patient with an implanted pacemaker undergoes electrocardiogram testing, the cardiologist must be able to detect the presence and effects of the pacemaker. A simple implanted pacer's activity is generally not perceptible on a normal ECG trace, because the very fast pulses-with typical widths of hundreds of microseconds-get filtered due to low-bandwidth display resolution (monitor/diagnostic 40-/150-Hz bandwidths).