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Conf Proc IEEE Eng Med Biol Soc · Jan 2008
Comparative StudyPerformance evaluation of three methods for respiratory signal estimation from the electrocardiogram.
- Lorena S Correa, Eric Laciar, Abel Torres, and Raimon Jane.
- Gabinete de Tecnología Médica, Universidad Nacional de San Juan, Argentina. lcorrea@gateme.unsj.edu.ar
- Conf Proc IEEE Eng Med Biol Soc. 2008 Jan 1; 2008: 4760-3.
AbstractA comparative study of three methods for estimating respiratory signal through electrocardiogram (ECG) was carried out. The three methods analyzed were based on R wave area, R peak amplitude and heart rate variability (HRV). For each method, cross-correlation coefficient and spectral coherence in a range of frequencies up to 0.5 Hz were computed between the ECG derived respiratory signals (EDR) and the three real respiratory signals: oronasal, and two inductance plethysmographies recordings (chest and abdominal). Results indicate that EDR methods based on R wave area and HRV are better correlated and show a wider spectral coherence with real respiratory signals than the other EDR method based on R peak amplitude.
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