Fosphenytoin Description. Fosphenytoin Sodium Injection, USP is a prodrug intended for parenteral administration; its active metabolite is phenytoin. 1.5 mg of Fosphenytoin sodium is equivalent to 1 mg phenytoin sodium, and is referred to as 1 mg phenytoin sodium equivalents (PE).
The blood vessels may form scar tissue, which can pull on the retina causing a retinal detachment. A fluorescein angiogram is used to evaluate the retinal blood flow. Laser treatment is performed on those patients who develop neovascularization.
The small blood vessels connecting the veins and arteries are called capillaries. Some of the capillaries are actually visible on the surface of the skin. When a capillary is broken, it results to the appearance of a thin, red or blue thread that becomes visible on the skin.