Figure 4From: MRI assessment of the effects of acetazolamide and external lumbar drainage in idiopathic Normal Pressure Hydrocephalus Symmetrized percent change in cerebral blood flow (CBF) after acetazolamide treatment. Left: a patient with normal blood pressure (ACZ_1). Right: the patient with acute hypertension (ACZ_6) did not experience increase in CBF.Back to article page