Ectopic rhythms originating anteriorly in the left atrium. Analysis of 12 cases with P-wave inversion in all precordial leads.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000503:physiopathology*; D001794:Blood Pressure; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000503:physiopathology*; D006325:Heart Atria / Q000503:physiopathology; D006801:Humans; D006973:Hypertension; D008297:Male; D008875:Middle Aged; D008944:Mitral Valve Insufficiency; D009203:Myocardial Infarction; D011660:Pulmonary Heart Disease