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Extrinsic anomalies are structural changes near the Internal Jugular Vein (IJV) that can cause venous outflow obstruction. These changes can be due to bone pressure, artery pressure, enlarged lymph nodes, or an enlarged thyroid. These factors can squeeze the vein wall and block the blood flow.
Brain fog is a common symptom in many illnesses where chronic pain is a major component. [26] Brain fog affects 15% to 40% of those with chronic pain as their major illness. [27] In such illnesses, pain processing may use up resources, decreasing the brain's ability to think effectively. [26]
Spontaneous intracranial hypotension (SIH) refers to lower than normal CSF volume due to a leak of CSF at the level of the spine. [18] Spontaneous intracranial hypotension (SIH) is an important cause of longstanding headaches. Other symptoms can include nausea, blurred vision, coma, and dementia.
One root cause of brain fog could be inflammation, says Von Ah. Certain conditions can cause lots of inflammation, resulting in damage throughout the body, including the brain. Inflammatory ...
[10] [13] Too much blood (a clinical condition of a normal homeostatic response of hyperemia) [1] can raise intracranial pressure (ICP), which can compress and damage delicate brain tissue. Too little blood flow results if blood flow to the brain is below 18 to 20 ml per 100 g per minute, and tissue death occurs if flow dips below 8 to 10 ml ...
The fluid build-up causes the ventricles to enlarge and the pressure inside the head to increase, compressing surrounding brain tissue and leading to neurological complications. Although the cause of idiopathic (also referred to as primary ) NPH remains unclear, it has been associated with various co-morbidities including hypertension, diabetes ...
The breakdown of the tight endothelial junctions that make up the blood–brain barrier causes extravasation of fluid, ions, and plasma proteins, such as albumin, into the brain parenchyma. [18] Accumulation of extracellular fluid increases brain volume and then intracranial pressure causing the symptoms of cerebral edema. [1]
This underlying cause is reversible if you quit the meds, but other reversible causes might not be so obvious. Depression or major stress could cause impairment to show up in testing, too, Boyle says.