title: Mechanical alternans detected by Doppler-derived dP/dt.
authors.forename: Alberto
authors.initials: A
authors.lastname: García-Lledó
authors.forename: Miguel A
authors.initials: MA
authors.lastname: San Martín
authors.forename: Eva
authors.initials: E
authors.lastname: Díaz-Caraballo
authors.forename: Javier
authors.initials: J
authors.lastname: Balaguer
mesh_terms: D015150:Echocardiography, Doppler; D006801:Humans; D008297:Male; D008875:Middle Aged; D018754:Ventricular Dysfunction / Q000000981:diagnostic imaging* / Q000503:physiopathology*