This document provides an outline on the clinical evaluation of adult hydrocephalus. It discusses the classification and etiology of hydrocephalus, including communicating, noncommunicating, and normal pressure hydrocephalus. Pathophysiology and signs/symptoms are described. Neuroradiologic features and physiologic testing of cerebrospinal fluid dynamics are outlined. Management approaches include surgical options like shunt insertion and endoscopic third ventriculostomy. Complications of shunt surgery like infection, overdrainage, and malfunction are also reviewed.