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Stroke – Signs, Symptoms and Types – Part 2

• A stroke occurs when a part of the brain’s circulation is disrupted or minimized.
• This deprives brain tissue of food and oxygen.
• During first minutes, brain cells set out to die.
• A stroke is a medical emergency.
• Prompt treatment methods are crucial.

Types of Stroke

3. Hemorrhagic stroke
• Hemorrhagic stroke occurs whenever a blood vessel inside your brain leaks or ruptures.
• Brain hemorrhages might result from many conditions that affect your arteries.
It also includes:
– uncontrolled high blood pressure
– weak spots inside your blood vessel walls
• A more uncommon reason behind hemorrhage is the rupture of an arteriovenous malformation.
• This is an abnormal tangle of thin-walled arteries present at birth.

These sorts of hemorrhagic stroke include:
– Intracerebral hemorrhage
• Within an intracerebral hemorrhage, a circulation inside brain bursts and spills into your surrounding brain tissue, damaging brain cells.
• Brain cells beyond the leak are lacking blood and damaged.
Conditions that could potentially cause intracerebral hemorrhage are:
• Blood pressure levels
• Trauma
• Vascular malformations
• Using blood-thinning medications

– Subarachnoid hemorrhage
• In a subarachnoid hemorrhage, an artery, on or nearby the surface of the brain, bursts and spills in to the space involving the surface of the brain and the skull.
• This bleeding can often be signaled by a sudden, severe headache.
• A subarachnoid hemorrhage is often attributable to the rupture of aneurysm.
• This is a little sack-shaped or berry-shaped out pouching on an artery in the brain.
• Following the hemorrhage, the blood vessels will become wide in the brain.
• They may even narrow erratically.
• This is called vasospasm.
• This causes brain cell damage by further limiting blood circulation to parts of your brain.

4. Transient ischemic attack (TIA)
• A TIA is generally known as a ministroke.
• It is often a brief episode of symptoms just like those you’d have in a very stroke.
• A TIA is the consequence of temporary decline in blood supply to portion of your head.
• TIAs often lasts a lot less than five minutes.
• As an ischaemic stroke, a TIA occurs if a clot or debris blocks blood circulation to part of the human brain.
• A TIA doesn’t leave lasting symptoms because the blockage is temporary.
• Seek emergency care even if your symptoms manage to get rid of.
• Issues like TIA means there’s likely a partially blocked or narrowed artery producing your brain.
• This puts you in higher chances of any full-blown stroke that may cause permanent damage later.
• It’s not possible to know if a stroke or possibly a TIA is based only on your symptoms.
• Up to 50 % of individuals whose symptoms apparently disappear actually has experienced a stroke causing brain damage.

Risk factors for a Stroke

• Many factors can raise your risk of the stroke.
• A number of these factors may also greatly increase your chances of experiencing a heart attack.
Blood Pressure
• Blood pressure levels
• Risk of stroke starts to increase at high blood pressure readings over 120/80 millimeters of mercury (mm Hg).
• Your medical professional will let you decide on a target high blood pressure depending on your actual age.
• This depends on whether you might have diabetes along with other factors.
• Smoking or contact with secondhand smoke.

• Earnings cholesterol level above 200 milligrams per deciliter (mg/dL)
• 5.2 millimoles per liter (mmol/L).
• Diabetes
• Being overweight or obese
• Physical inactivity
• Obstructive sleep apnea

Cardiovascular disease
– heart failure
– heart defects
– heart infection
– abnormal heart rhythm
• Use of some birth control pills
• Undergoing hormone therapies that include estrogen.
• Binge drinking.
Use of illicit drugs such as:
– cocaine
– methamphetamines

Personal or family history of
– Stroke
– Heart attack
• Age 55 or older.
• Race
• Gender — Men have a higher risk of stroke than women

Tests and Diagnosis for Stroke

• Physical examination
• Blood tests
• Computerized tomography (CT) scan
• Magnetic resonance imaging (MRI)
• Carotid ultrasound
• Cerebral angiogram
• Echocardiogram

After a Stroke: 300 Tips for Making Life Easier Rewire Your Brain, Rewire Your Life Stroke: Pathophysiology, Diagnosis, and Management

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