Proceedings: 24-hour electrocardiogram  monitoring of ambulatory outpatients suspected of dysrhytmias.
D000553:Ambulatory Care; D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D004562:Electrocardiography; D006352:Heart Ventricles; D006801:Humans; D008991:Monitoring, Physiologic; D005082:Physical Exertion; D013610:Tachycardia / Q000175:diagnosis