title: [Therapeutic difficulties in supraventricular tachycardia without any evident changes in the heart].
mesh_terms: D000219:Adams-Stokes Syndrome / Q000139:chemically induced; D000328:Adult; D004562:Electrocardiography; D006801:Humans; D008297:Male; D011433:Propranolol / Q000009:adverse effects / Q000627:therapeutic use; D011802:Quinidine / Q000009:adverse effects / Q000627:therapeutic use; D013610:Tachycardia / Q000188:drug therapy*
chemical_list: D011433:Propranolol; D011802:Quinidine
vernacular_title: Trudności leczenia czestoskurczu nadkomorowego bez uchwytnych zmian w sercu.