Key result
An index quantifying heart sound contamination of lung sounds was developed to evaluate the efficacy of high pass and adaptive filtering methods for heart sound reduction.
The study introduces an index to quantify heart sound interference in lung sounds and evaluates filtering methods to reduce this contamination.
May support standardized quantification of heart sound interference in lung sounds; leaves open clinical validation and diagnostic impact.
An index to quantify the contamination of lung sounds by heart sounds is described. Using the index, the efficacy of high pass filtering and adaptive filtering methods for the reduction of heart sounds is evaluated.
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Iyer et al. (1989) studied this question. An index quantifying heart sound contamination of lung sounds was developed to evaluate the efficacy of high pass and adaptive filtering methods for heart sound reduction.
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