Evaluation of ECG criteria for P-wave abnormalities.
D000328:Adult; D000367:Age Factors; D001281:Atrial Fibrillation / Q000453:epidemiology; D006332:Cardiomegaly / Q000175:diagnosis; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000175:diagnosis*; D012737:Sex Factors