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   Stroke

   noun

   • ▪ The act or an instance of striking, as with the hand, a weapon, or a tool; a blow or impact.
   • ▪ The striking of a bell or gong.
   • ▪ The sound so produced.
   • ▪ The time so indicated. "at the stroke of midnight."
   • ▪ A sudden action or process having a strong impact or effect. "a stroke of lightning."
   • ▪ A sudden occurrence or result. "a stroke of luck; a stroke of misfortune."
   • ▪ A sudden severe attack, as of paralysis or sunstroke.
   • ▪ A sudden loss of brain function caused by a blockage or rupture of a blood vessel to the brain, characterized by loss of muscular control, diminution or loss of sensation or consciousness, dizziness, slurred speech, or other symptoms that vary with the extent and severity of the damage to the brain.
   • ▪ An inspired or effective idea or act. "a stroke of genius."
   • ▪ A single uninterrupted movement, especially when repeated or in a back-and-forth motion. "the stroke of a pendulum."
   • ▪ A keystroke.
   • ▪ Any of a series of movements of a piston from one end of the limit of its motion to another.
   • ▪ A single completed movement of the limbs and body, as in swimming or rowing.
   • ▪ The manner or rate of executing such a movement. "My favorite stroke is butterfly. She had a very rapid stroke."
   • ▪ The rower who sits nearest the coxswain or the stern and sets the tempo for the other rowers.
   • ▪ The position occupied by this person.
   • ▪ A movement of the upper torso and arms for the purpose of striking a ball, as in golf or tennis.
   • ▪ The manner of executing such a movement.
   • ▪ A scoring unit in golf counted for such a movement. "finished six strokes under par."
   • ▪ A single mark made by a writing or marking implement, such as a pen.
   • ▪ The act of making such a mark.
   • ▪ A printed line in a graphic character that resembles such a mark.
   • ▪ A distinctive effect or deft touch, as in literary composition.

   verb stroked,stroking,strokes

   • ▪ To mark with a single short line.
   • ▪ To draw a line through; cancel. "stroked out the last sentence."
   • ▪ To set the pace for (a rowing crew).
   • ▪ To hit or propel (a ball, for example) with a smoothly regulated swing.
   • ▪ To make or perform a stroke.
   • ▪ To row at a particular rate per minute.

   Scrabble Points: 10

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2. my.clevelandclinic.org › health › diseasesStroke: What It Is, Causes, Symptoms, Treatment & Types

   my.clevelandclinic.org › health › diseases

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   A stroke is a medical emergency caused by a lack of blood flow to part of your brain. Lack of blood flow will eventually cause permanent brain damage or even death.

3. www.mayoclinic.org › diseases-conditions › strokeStroke - Symptoms and causes - Mayo Clinic

   www.mayoclinic.org › diseases-conditions › stroke

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   Apr 30, 2024 · It occurs when a blood vessel in the brain leaks or bursts and causes bleeding in the brain. The blood increases pressure on brain cells and damages them. A stroke is a medical emergency. It's crucial to get medical treatment right away.

4. www.stroke.org › en › about-strokeAbout Stroke | American Stroke Association

   www.stroke.org › en › about-stroke

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   A stroke occurs when a blood vessel that carries oxygen and nutrients to the brain is either blocked by a clot or bursts (or ruptures). When that happens, part of the brain cannot get the blood (and oxygen) it needs, so it and brain cells die.

5. www.ninds.nih.gov › health-information › strokeStroke Overview - National Institute of Neurological Disorders...

   www.ninds.nih.gov › health-information › stroke

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   May 29, 2024 · A stroke is a sudden interruption of continuous blood flow to the brain and a medical emergency. Learn about stroke effects, types of strokes, and stroke in women and in children

6. www.webmd.com › stroke › strokeWhat Is a Stroke? Causes, Symptoms, and Treatments - WebMD

   www.webmd.com › stroke › stroke

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   Apr 8, 2023 · A stroke, sometimes called a " brain attack," occurs when blood flow to an area in the brain is cut off. The brain cells, deprived of the oxygen and glucose needed to...

7. www.ahajournals.org › doi › fullAn Updated Definition of Stroke for the 21st Century | Stroke

   www.ahajournals.org › doi › full

   Introduction. Stroke is classically characterized as a neurological deficit attributed to an acute focal injury of the central nervous system (CNS) by a vascular cause, including cerebral infarction, intracerebral hemorrhage (ICH), and subarachnoid hemorrhage (SAH), and is a major cause of disability and death worldwide.

8. www.stroke.org › - › mediaExplaining Stroke - American Stroke Association

   www.stroke.org › - › media

   What is a Stroke? Blood vessels that carry blood to the brain from the heart are called arteries. The brain needs a constant supply of blood, which carries the oxygen and nutrients it needs to function. Specific arteries supply blood to specific areas of the brain. A stroke occurs when one of these arteries to the brain is either blocked or bursts.

9. en.wikipedia.org › wiki › StrokeStroke - Wikipedia

   en.wikipedia.org › wiki › Stroke

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   Stroke (also known as a cerebrovascular accident ( CVA) or brain attack) is a medical condition in which poor blood flow to the brain causes cell death. [5] . There are two main types of stroke: ischemic, due to lack of blood flow, and hemorrhagic, due to bleeding. [5] . Both cause parts of the brain to stop functioning properly. [5]

10. www.ninds.nih.gov › health-information › strokeStroke | National Institute of Neurological Disorders and Stroke

    www.ninds.nih.gov › health-information › stroke

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    Stroke is a medical emergency. About 80% are ischemic stokes, which cut off blood to the brain. The rest are hemorrhagic strokes, caused by bleeding in or around the brain. The longer blood flow is cut off, the greater the damage.

11. www.cdc.gov › stroke › aboutAbout Stroke | Stroke | CDC - Centers for Disease Control and...

    www.cdc.gov › stroke › about

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    May 15, 2024 · A stroke, sometimes called a brain attack, occurs when something blocks blood supply to part of the brain or when a blood vessel in the brain bursts. In either case, parts of the brain become damaged or die. A stroke can cause lasting brain damage, long-term disability, or even death.