| Title | Performance evaluation of three methods for respiratory signal estimation from the electrocardiogram. | ||
| Author | Correa, Lorena S; Laciar, Eric; Torres, Abel; Jane, Raimon | ||
| Journal | Annu Int Conf IEEE Eng Med Biol Soc | Publication Year/Month | 2008 |
| PMID | 19163780 | PMCID | -N/A- |
| Affiliation | 1.Gabinete de Tecnologia Medica, Universidad Nacional de San Juan, Argentina. lcorrea@gateme.unsj.edu.ar. | ||
A 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.