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Sharp Health News

Understanding stroke

May 13, 2016

Understanding stroke

Lynn Novencido, program manager of neurology and orthopedics at Sharp Chula Vista Medical Center, holds a model of the human brain.

More than 700,000 people in the United States suffer from a stroke each year. This neurological disorder is the fifth leading cause of death in the country. Stroke causes more serious, long-term disabilities than any other disease.

To better understand this disorder, Lynn Novencido, program manager of neurology and orthopedics at Sharp Chula Vista Medical Center, provides a brief explanation on the causes of stroke, how to prevent one, and more.

What is stroke?
Stroke occurs when an artery to the brain bursts or becomes clogged, thereby reducing or interrupting the blood flow to a part of the brain, resulting in neurological deficits.

What are the symptoms of a stroke?
Stroke can be characterized by one or all of the following symptoms that occur extremely suddenly:

  • Numbness or weakness of the face, arm or leg, especially on one side of the body
  • Confusion or trouble speaking
  • Trouble seeing with one or both eyes
  • Issues with walking, experiencing dizziness, loss of balance or coordination
  • Severe headache with no known cause

Stroke is a serious emergency and it's very important to act fast if you notice these symptoms occurring in your loved one. If any occur, call 911 immediately, as it's critical to receive care as soon as possible.

What are the risks of stroke?
To better identify these risk factors, we need to divide them into two separate groups: modifiable risks and non-modifiable risks.

Modifiable risks include:

  • High blood pressure
  • High cholesterol
  • Certain blood disorders
  • Atrial fibrillation or other heart diseases
  • Taking birth control
  • Lifestyle habits, such as excessive alcohol consumption, smoking or illegal drug use

Non-modifiable risks include:

  • Advancing age
  • Gender
  • Ethnicity
  • Heredity

While we can't help with genetics or age, it's important to be cognizant of certain lifestyle choices and how they can negatively affect our health. To help lower the risk of stroke, don't smoke, maintain a balanced diet, exercise regularly and monitor your blood pressure regularly.

What are the effects of stroke?
Many people who experience a stroke will suffer from weakness or temporary paralysis on one side of the body, difficulty speaking or swallowing, loss of emotional control, and cognitive or behavioral changes.

If I have a stroke, will I recover?
In most cases, yes. Effects of stroke are the greatest immediately after the event occurs. Recovery times vary based on the extent of injury to the brain. Some improvement is spontaneous; for effects lasting longer than anticipated, rehabilitation can help.

Prevention is key
The human brain is powerfully complex. Strokes can happen to anyone, at any time. That's why prevention is a staple of our care at Sharp. Join Sharp HealthCare at Petco Park on Saturday, June 4, to help "Strike Out Stroke" — a day to recognize those who have suffered a stroke and to learn more about the signs and symptoms.

For the media: To talk with a Sharp doctor about stroke or other neurological disorders, contact Erica Carlson, senior public relations specialist, at erica.carlson@sharp.com or 858-499-3052.

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