In a subarachnoid hemorrhage, blood accumulates in the space beneath the inner arachnoid layer of the meninges. The injury is often associated with an intracerebral bleed (see below). This is also the space where cerebral spinal fluid (CSF) flows and affected individuals can develop a severeheada...
Leaking of the Dye:Whenever an injection is given into a vein, there is a risk of leakage of the contrast outside of the vein and beneath the skin. In case of leakage of large amount of contrast dye under the skin, there can be break down of the skin; however, this happens rarely....