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  2. Vascular headache - Wikipedia

    en.wikipedia.org/wiki/Vascular_headache

    There are many types of vascular headaches. Other types of vascular headaches include headaches produced by fever, cluster headaches, and headaches from a rise in blood pressure (OSU Wexner Medical Center, 2012). Headaches that were described as being vascular headaches include: [citation needed] Cluster headache; Migraine [2] Toxic headache

  3. Hypertensive emergency - Wikipedia

    en.wikipedia.org/wiki/Hypertensive_emergency

    Affected arteries develop endothelial dysfunction and impairment of normal vasodilation, which alter kidney autoregulation. When the kidneys' autoregulatory system is disrupted, the intraglomerular pressure starts to vary directly with the systemic arterial pressure, thus offering no protection to the kidney during blood pressure fluctuations.

  4. Hypertensive encephalopathy - Wikipedia

    en.wikipedia.org/wiki/Hypertensive_encephalopathy

    Symptoms of hypertensive encephalopathy typically start to occur 12–48 hours after a sudden and sustained increase in blood pressure. The first manifestation of these symptoms is a severe headache. Headache occurs in greater than 75% of patients. [10] The patient becomes restless.

  5. The 6 most common headache types — and when to see a doctor

    www.aol.com/news/6-most-common-headache-types...

    A headache is a pain in the head, neck or face that is often described as a sensation of pressure that varies in location, frequency and severity, according to the National Institutes of Health.

  6. Reversible cerebral vasoconstriction syndrome - Wikipedia

    en.wikipedia.org/wiki/Reversible_cerebral...

    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]

  7. Hypertensive crisis - Wikipedia

    en.wikipedia.org/wiki/Hypertensive_crisis

    In contrast there is no evidence that blood pressure needs to be lowered rapidly in hypertensive urgencies, where there is no evidence of target organ damage; over-aggressive reduction of blood pressure is not without risks. [3] Use of oral medications to lower the BP gradually over 24 to 48h is advocated in hypertensive urgencies. [4]

  8. Cerebral edema - Wikipedia

    en.wikipedia.org/wiki/Cerebral_edema

    Blood pressure should be sufficient so as to sustain cerebral perfusion pressures greater than 60 mm Hg for optimal blood blow to the brain. [3] Vasopressors may be used to achieve adequate blood pressures with minimal risk of increasing intracranial pressures. [3] However, sharp rises in blood pressure should be avoided. [3]

  9. These 11 foods can cause headaches. How to find your ... - AOL

    www.aol.com/11-foods-cause-headaches-trigger...

    Doctor and migraine sufferer shares the top most common dietary components that can cause headaches and migraines. These 11 foods can cause headaches. How to find your trigger, according to a doctor

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