[Results of clinical application of pocket-size portable ECG recorders].
D000787:Angina Pectoris / Q000175:diagnosis*; D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D004562:Electrocardiography / Q000295:instrumentation*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013637:Tape Recording / Q000295:instrumentation