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A vascular headache is an outdated term to describe certain types of headache which were thought to be related to blood vessel swelling and hyperemia as cause of pain.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.
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]
Cerebral edema is excess accumulation of fluid 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]
Water, like any other substance, can be considered a poison when over-consumed in a brief period. Water intoxication mostly occurs when water is being consumed in a high quantity provoking disturbances in electrolyte balance. [2] Excess of body water may also be a result of a medical condition or improper treatment; see "hyponatremia" for some ...
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).
Sewage, non-treated drinking water, flies in water supply, saliva transfer(if the other person has the disease) Abdominal discomfort, fatigue, weight loss, diarrhea, bloating, fever: Cryptosporidiosis (oral) Protozoan (Cryptosporidium parvum) Collects on water filters and membranes that cannot be disinfected, animal manure, seasonal runoff of ...