Fig. 4From: The relationship between cerebral blood flow and venous sinus pressure: can hyperemia induce idiopathic intracranial hypertension?Magnified views of patient 1 with left sigmoid to internal jugular vein junction for 400 mL/min (a) and 2000 mL/min Flow Rates (b) and torcula sections for 400 mL/min (c) and 2000 mL/min flow rates (d). Note vortex flow increases with flow rateBack to article page