title: Activation sequence of electrical and mechanical in normal and abnormal hearts.
authors.forename: Samuel
authors.initials: S
authors.lastname: Wann
mesh_terms: D058406:Cardiac Resynchronization Therapy; D022062:Electrophysiologic Techniques, Cardiac / Q000379:methods*; D006325:Heart Atria / Q000000981:diagnostic imaging*; D006352:Heart Ventricles / Q000000981:diagnostic imaging*; D006801:Humans; D014463:Ultrasonography