Stroke Causes And Risk Factors That May Surprise You

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Stroke Causes

Surprising Stroke Causes

stroke transpire when the blood supply to your brain is interrupted or lessen. This deprives your brain of the oxygen and nutrients which can cause your brain cells to die.A stroke causes may be by a blocked artery (ischemic stroke) or the leaking or bursting of a blood vessel (hemorrhagic stroke). Some people may experience only a temporary disruption of the blood flow to their brain (transient ischemic attack or TIA).

Ischemic stroke causes: An ischemic stroke is caused by a blood clot that blocks blood flow to the brain.A blood clot can form in an artery that supplies the blood to the brain.Blood clots usually form in arteries damaged by the plaque buildup, which is a process called atherosclerosis.Long term high blood pressure or diabetes may damage smaller blood vessels in the brain, causing a clot to form within the blood vessels and block blood flow.A blood clot can form in another part of the body (often the heart) and travel through the bloodstream to the brain. Low blood pressure may also an ischemic stroke causes, although this is less common. Low blood pressure results in reduced blood flow to the brain. It may be caused by narrowed or diseased arteries, a heart attack, a large loss of blood, or a severe infection.Some surgeries (such as endarterectomy) or other procedures (such as carotid artery stenting) that are used to treat narrowed carotid arteries may cause a blood clot to break loose, resulting in a stroke.

Hemorrhagic stroke causes:A hemorrhagic stroke causes by bleeding in or around the brain.Bleeding inside the brain itself (intracerebral hemorrhage, or ICH) may be a result of long-term high blood pressure or use of blood thinner medicine, such as anticoagulants.
Bleeding in the space around the brain (subarachnoid hemorrhage, or SAH) may be caused by a ruptured aneurysm or uncontrolled high blood pressure.

Transient ischemic attack (TIA):A transient ischemic attack (TIA) — also known as a ministroke — is a brief period of symptoms similar to those you’d have in a stroke. A temporary decrease in blood supply to part of your brain stroke causes TIAs, which often last less than five minutes.Other less commonstroke causes include head or neck injuries, certain diseases, and radiation treatment for cancer in the neck or brain.

Risk factors:Many factors can increase your risk and stroke causes. Some factors can also increase your chances of having a heart attack. Potentially treatable stroke causes and risk factors include:

Lifestyle risk factors

  • Being overweight or obese
  • Physical inactivity
  • Heavy or binge drinking
  • Use of illicit drugs such as cocaine and methamphetamines
  • hemic attack.
  • Being age 55 or older.
  • Race — African-Americans have a higher risk of stroke than do people of other races.
  • Gender — Men have a higher risk of stroke than women.source

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