Digitalis induced left atrial ectopic rhythm.
D000293:Adolescent; D005117:Cardiac Complexes, Premature / Q000139:chemically induced*; D004070:Digitalis / Q000009:adverse effects* / Q000627:therapeutic use; D004562:Electrocardiography; D005260:Female; D006325:Heart Atria; D006333:Heart Failure / Q000188:drug therapy; D006801:Humans; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000150:complications; D008517:Phytotherapy; D010946:Plants, Medicinal; D010947:Plants, Toxic