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Idiopathic intracranial hypertension (IIH), previously known as pseudotumor cerebri and benign intracranial hypertension, is a condition characterized by increased intracranial pressure (pressure around the brain) without a detectable cause. [2] The main symptoms are headache, vision problems, ringing in the ears, and shoulder pain.
This condition is similar to idiopathic intracranial hypertension, however the etiology in this instance is a drug. [14] The most frequent symptoms are headaches, pulsatile tinnitus, diplopia, and impairment of visual acuity. [13] [15] The only observable signs of the condition may be papilledema and bilateral sixth cranial nerve (abducens ...
Cushing reflex (also referred to as the vasopressor response, the Cushing effect, the Cushing reaction, the Cushing phenomenon, the Cushing response, or Cushing's Law) is a physiological nervous system response to increased intracranial pressure (ICP) that results in Cushing's triad of increased blood pressure, irregular breathing, and bradycardia. [1]
Intracranial hypertension syndrome. Intracranial hypertension syndrome is characterized by an elevated intracranial pressure, papilledema, and headache with occasional abducens nerve paresis, absence of a space-occupying lesion or ventricular enlargement, and normal cerebrospinal fluid chemical and hematological constituents. [1] [2]
MedlinePlus. 003411. The monitoring of intracranial pressure (ICP) is used in the treatment of a number of neurological conditions ranging from severe traumatic brain injury to stroke and brain bleeds. [1] This process is called intracranial pressure monitoring. Monitoring is important as persistent increases in ICP is associated with worse ...
Cerebral edema is excess accumulation of fluid (edema) in the intracellular or extracellular spaces of the brain. [ 1 ] This typically causes impaired nerve function, increased pressure within the skull, and can eventually lead to direct compression of brain tissue and blood vessels. [ 1 ] Symptoms vary based on the location and extent of edema ...
Cerebrovascular disease. Cerebrovascular disease includes a variety of medical conditions that affect the blood vessels of the brain and the cerebral circulation. Arteries supplying oxygen and nutrients to the brain are often damaged or deformed in these disorders. [2] The most common presentation of cerebrovascular disease is an ischemic ...
Papilledema. Papilledema or papilloedema is optic disc swelling that is caused by increased intracranial pressure due to any cause. [ 1 ] The swelling is usually bilateral and can occur over a period of hours to weeks. [ 2 ] Unilateral presentation is extremely rare. In intracranial hypertension, the optic disc swelling most commonly occurs ...