Subdural empyema (SDE) is a fairly uncommon diagnosis. accounting for only 20% of intracranial infections. the usual source for SDE is direct extension from a contiguous source. such as acute sinusitis or otitis media. https://www.bekindtopets.com/limited-value-SharkBite-U648LF-Lead-Free-Brass-Push-to-Connect-45-Degree-Elbow-1-2-x-1-2-mega-super/