The Effect of Valsalva Maneuver on P Wave in 12-Lead Surface Electrocardiography in Patients With Paroxysmal Atrial Fibrillation

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dc.contributor.authorAltunkeser, Bülent Behlül
dc.contributor.authorÖzdemir, Kurtuluş
dc.contributor.authorGök, Hasan
dc.contributor.authorYazıcı, Mehmet
dc.contributor.authorİçli, Abdullah
dc.date.accessioned2020-03-26T16:39:45Z
dc.date.available2020-03-26T16:39:45Z
dc.date.issued2002
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThe previous studies relating to the effect of the Valsalva maneuver on P wave do not provide detailed information. In those studies, the parameters related to P wave duration during the release phase of the Valsalva maneuver were evaluated. The authors evaluated P wave amplitude as well as P wave duration during the strain phase of the Valsalva maneuver. Thirty-seven normal subjects and 36 patients with paroxysmal atrial fibrillation (PAF) were included in the study. Twelve-lead surface electrocardiography (ECG) was obtained from all the patients before and during the strain phase of the Valsalva maneuver. The authors evaluated the parameters related to both P wave duration and P wave amplitude. The highest P wave voltage was expressed as the P wave amplitude maximum (P amp max), the lowest P wave voltage as the P wave amplitude minimum (P amp min), and the P wave amplitude dispersion (P amp dispersion) as "the P amp max - the P amp min." Also, the maximum P wave duration was expressed as the P maximum (P max), the minimum P wave duration as the P minimum (P min), and the P wave dispersion as "the maximum P wave duration (P max) - the minimum P wave duration (P min)." All these parameters were measured before and during the strain phase of the Valsalva maneuver, P max, P dispersion, P amp max, and P amp dispersion were higher in patients with PAF compared to those of normal subjects before the Valsalva maneuver. In normal subjects, P max, P wave dispersion, P amp max, and P amp dispersion values were significantly higher in the strain phase of the Valsalva maneuver than before (p < 0.01, p < 0.01, p < 0.05, and p < 0.05, respectively). In the patients with PAF, P max, P wave dispersion, P amp max, and P amp dispersion values were significantly lower during the strain phase of the Valsalva maneuver than before. In conclusion, in the patients with PAF, P wave parameters were decreased during the strain phase of the Valsalva maneuver, approaching to the normal levels.en_US
dc.identifier.citationAltunkeser, B. B., Özdemir, K., Gök, H., Yazıcı, M., İçli, A., (2002). The Effect of Valsalva Maneuver on P Wave in 12-Lead Surface Electrocardiography in Patients With Paroxysmal Atrial Fibrillation. Angiology, 53(4), 443-449. Doi: 10.1177/000331970205300411
dc.identifier.doi10.1177/000331970205300411en_US
dc.identifier.endpage449en_US
dc.identifier.issn0003-3197en_US
dc.identifier.issn1940-1574en_US
dc.identifier.issue4en_US
dc.identifier.pmid12143950en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage443en_US
dc.identifier.urihttps://dx.doi.org/10.1177/000331970205300411
dc.identifier.urihttps://hdl.handle.net/20.500.12395/18061
dc.identifier.volume53en_US
dc.identifier.wosWOS:000176923100011en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorAltunkeser, Bülent B.
dc.institutionauthorÖzdemir, Kurtuluş
dc.institutionauthorGök, Hasan
dc.institutionauthorYazıcı, Mehmet
dc.institutionauthorİçli, Abdullah
dc.language.isoenen_US
dc.publisherSage Publications Incen_US
dc.relation.ispartofAngiologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.titleThe Effect of Valsalva Maneuver on P Wave in 12-Lead Surface Electrocardiography in Patients With Paroxysmal Atrial Fibrillationen_US
dc.typeArticleen_US

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