P-wave detection by digital computer.
D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D003201:Computers; D003325:Coronary Care Units; D004562:Electrocardiography; D005069:Evaluation Studies as Topic; D006801:Humans; D008962:Models, Theoretical; D008991:Monitoring, Physiologic; D013223:Statistics as Topic; D013637:Tape Recording; D013997:Time Factors