title: Continuous microfilm display of the electromechanical intervals of the cardiac cycle.
mesh_terms: D001794:Blood Pressure; D003201:Computers; D003626:Data Display; D004562:Electrocardiography; D005260:Female; D005318:Fetal Heart / Q000502:physiology*; D006321:Heart / Q000502:physiology*; D006339:Heart Rate; D006801:Humans; D007231:Infant, Newborn; D007743:Labor, Obstetric; D008843:Microfilming; D008991:Monitoring, Physiologic; D011247:Pregnancy; D011827:Radiation; D014463:Ultrasonography; D014599:Uterus / Q000502:physiology