title: Cardiac memory.
authors: Mumtaz A
authors: MA
authors: Siddiqui
authors: David L
authors: DL
authors: Lubell
mesh_terms: D000368:Aged; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans; D012804:Sick Sinus Syndrome / Q000503:physiopathology*