title: P wave changes during exercise in normal subjects and in patients with hemodynamic evidence of left atrial overload.
mesh_terms: D000200:Action Potentials; D000293:Adolescent; D000328:Adult; D000368:Aged; D001794:Blood Pressure; D009202:Cardiomyopathies / Q000503:physiopathology; D003327:Coronary Disease / Q000503:physiopathology; D004562:Electrocardiography / Q000379:methods*; D005260:Female; D006325:Heart Atria / Q000503:physiopathology; D006352:Heart Ventricles / Q000503:physiopathology; D006439:Hemodynamics; D006801:Humans; D007537:Isometric Contraction; D008297:Male; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000175:diagnosis* / Q000503:physiopathology; D009203:Myocardial Infarction / Q000175:diagnosis* / Q000503:physiopathology; D005082:Physical Exertion; D013318:Stroke Volume