title: Blood hematocrit changes during paroxysmal atrial fibrillation.
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001281:Atrial Fibrillation / Q000097:blood* / Q000188:drug therapy; D004070:Digitalis; D006400:Hematocrit; D006801:Humans; D008875:Middle Aged; D010946:Plants, Medicinal; D010947:Plants, Toxic; D011802:Quinidine / Q000627:therapeutic use
chemical_list: D011802:Quinidine