title: Letter: Propranolol in orthostatic tachycardia.
mesh_terms: D001794:Blood Pressure / Q000187:drug effects; D002302:Cardiac Output / Q000187:drug effects; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D007024:Hypotension, Orthostatic / Q000150:complications*; D011433:Propranolol / Q000627:therapeutic use*; D013610:Tachycardia / Q000188:drug therapy* / Q000503:physiopathology; D014655:Vascular Resistance / Q000187:drug effects
chemical_list: D011433:Propranolol