Why the study?
Can simple quantitative measures (low-frequency content and out-of-range events) be used to evaluate ECG signal quality in a coronary care unit?
Population
Patients in a single coronary care unit (CCU) bed monitored continuously for 10 weeks
Comparison
Continuous monitoring of fixed-gain diagnostic… vs Comparison between good-quality baseline levels…
Design
Cohort
Follow-up
10 weeks
Authors
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Low-frequency and out-of-range metrics detect CCU noise variations; leaves open utility for false-alarm reduction.
Can simple quantitative measures (low-frequency content and out-of-range events) be used to evaluate ECG signal quality in a coronary care unit?
Low-frequency content and the rate of out-of-range events are easily obtainable quantitative measures that can be used to evaluate ECG signal quality and potentially reduce false alarms in the CCU.
Allen et al. (1996) studied this question.
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