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A vascular headache is an outdated term to describe certain types of headache which were thought to be related to blood vessel swelling and hyperemia as cause of pain. [ citation needed ] There is no doubt that some headaches are caused by vascular effects.
After migraine, the most common type of vascular headache is the "toxic" headache produced by fever. Other kinds of vascular headaches include cluster headaches, which are very severe recurrent short lasting headaches, often located through or around either eye and often wake the patients up at the same time every night. Unlike migraines, these ...
Vascular disease is a class of diseases of the vessels of the circulatory system in the body, including blood vessels – the arteries and veins, and the lymphatic vessels. Vascular disease is a subgroup of cardiovascular disease .
Ischemia is the loss of blood flow to the focal region of the brain. This produces heterogeneous areas of ischemia at the affected vascular region, furthermore, blood flow is limited to a residual flow. Regions with blood flow of less than 10 mL/100 g of tissue/min are core regions (cells here die within minutes of a stroke).
These headaches are typically bilateral, very severe and peak in intensity within a minute. [1] They may last from minutes to days, and may be accompanied by nausea, photophobia, phonophobia or vomiting. [1] Some patients experience only one headache, but on average there are four attacks over a period of one to four weeks. [1]
(Bloomberg Opinion) -- It’s not just manufacturing that’s struggling with disrupted logistics. As more countries bring down the shutters to limit the spread of the coronavirus, risks are ...
"The potential dangers of using at-home LED masks include headaches, eye strain, sleep disturbances, insomnia and mild visual side effects," she explained.
Research suggests that the same vascular mechanism and nerve implicated in "brain freeze" cause the aura (sensory disturbance) and pulsatile (throbbing pain) phases of migraines. [ 14 ] It is possible to have a cold-stimulus headache in both hot and cold weather, contrary to popular belief , because the effect relies upon the temperature of the ...