Also known as "Choked Disc", papilledema is a clinical sign associated with elevated pressure in the skull. With papilledema, the optic disc swells with engorged blood vessels often blurring the nerve's edges, and producing hemorrhages.  Its presence is considered a symptom of other conditions such as: meningitis, severe high blood pressure, respiratory failure, and brain or frontal lobe tumors.

Vision may remain normal, and the patient may be asymptomatic or experience headaches in the early stages. Over time, vision may become blurred or a blind spot may develop. Papilledema will most often present in both eyes.

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