title: [Delayed extracardiac stimulation in cardiac resynchronization therapy patients as a form of clinical presentation of "ratchet" syndrome].
authors.forename: Miguel A
authors.initials: MA
authors.lastname: Arias
authors.forename: Alberto
authors.initials: A
authors.lastname: Puchol
authors.forename: Eduardo
authors.initials: E
authors.lastname: Castellanos
authors.forename: María
authors.initials: M
authors.lastname: Lázaro
mesh_terms: D000368:Aged; D002304:Cardiac Pacing, Artificial / Q000009:adverse effects*; D004566:Electrodes / Q000009:adverse effects; D004868:Equipment Failure; D005260:Female; D006801:Humans; D010138:Pacemaker, Artificial / Q000009:adverse effects*; D013577:Syndrome; D013997:Time Factors