title: The effect of sinus rhythm on the periodicity and coupling interval of ventricular parasystolic rhythm.
mesh_terms: D000368:Aged; D001021:Aortic Valve; D001145:Arrhythmias, Cardiac / Q000150:complications / Q000175:diagnosis*; D005117:Cardiac Complexes, Premature / Q000175:diagnosis; D003327:Coronary Disease / Q000150:complications; D004562:Electrocardiography; D005260:Female; D006349:Heart Valve Diseases / Q000150:complications; D006352:Heart Ventricles / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010507:Periodicity; D012849:Sinoatrial Node / Q000503:physiopathology*