title: Determination of systemic vascular resistance by a noninvasive technic.
mesh_terms: D000328:Adult; D000680:Amyl Nitrite; D001795:Blood Pressure Determination; D006328:Cardiac Catheterization; D002302:Cardiac Output; D002342:Carotid Artery, External; D004452:Echocardiography; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D008365:Manometry; D008722:Methods; D008875:Middle Aged; D014463:Ultrasonography; D014655:Vascular Resistance
chemical_list: D000680:Amyl Nitrite