[Echographic measurement of portal vein diameter after two kinds of loading tests in the patients with portal hypertension].
D000328:Adult; D000368:Aged; D001794:Blood Pressure; D005260:Female; D006801:Humans; D006975:Hypertension, Portal / Q000175:diagnosis* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D011169:Portal Vein / Q000033:anatomy & histology*; D014463:Ultrasonography; D014636:Valsalva Maneuver