<prompt> Answer this question truthfullyWhat are the elements of a physical examination conducted for hydrocephalus?  <response>: <reason> InfantsLarge head: Head circumference is measured and recorded. Anterior fontanel is wide and bulging Scalp veins are visible and prominentOlder childrenCranial bruit may be audible in cases of arteriovenous malformation Macewens sign: Tapping percussion the skull near the junction of the frontal, temporal and parietal bones will produce a stronger resonant sound when either hydrocephalus or a brain abscess are present. 