Renal aortography; advantages and technique using the Valsalva maneuver.
D001027:Aortography; D002302:Cardiac Output; D006801:Humans; D006977:Hypertension, Renal / Q000175:diagnosis*; D007668:Kidney; D007680:Kidney Neoplasms / Q000175:diagnosis*; D012119:Respiration; D013679:Technology, Radiologic; D014636:Valsalva Maneuver