title: [Comments on the article "Estimation of the intraoperative ejection fraction: comparison between the Simpson and the Doppler tissue method"].
authors.affiliation: Complejo Hospitalario Universitario de Vigo, Hospital Xeral Cíes, Vigo, España.
authors.forename: M A
authors.initials: MA
authors.lastname: Orallo
authors.forename: P
authors.initials: P
authors.lastname: Aguirre
authors.forename: D
authors.initials: D
authors.lastname: Pereira
authors.forename: J C
authors.initials: JC
authors.lastname: Diz
mesh_terms: D015150:Echocardiography, Doppler; D005260:Female; D006801:Humans; D008297:Male; D016343:Monitoring, Intraoperative / Q000379:methods*; D013318:Stroke Volume