title: Orthostatic haemodynamic changes in essential hypertension.
mesh_terms: D001794:Blood Pressure; D001810:Blood Volume; D002302:Cardiac Output; D005919:Glomerular Filtration Rate; D006145:Guanethidine / Q000494:pharmacology; D006334:Heart Function Tests; D006339:Heart Rate; D006400:Hematocrit; D006439:Hemodynamics; D006801:Humans; D006973:Hypertension / Q000503:physiopathology*; D007668:Kidney / Q000098:blood supply / Q000503:physiopathology; D008750:Methyldopa / Q000494:pharmacology; D011187:Posture; D012039:Regional Blood Flow; D014655:Vascular Resistance
chemical_list: D008750:Methyldopa; D006145:Guanethidine