Stroke - Cerebrovascular Accident (CVA)

What if you had just a few minutes to save a life, maybe even your own? Strokes, or cerebrovascular accidents (CVAs), are medical emergencies that demand immediate action. Every second counts when blood flow to the brain is interrupted. Learn to recognise the warning signs, such as sudden numbness or speech difficulties, and discover what to do if a stroke strikes. With the right knowledge, you can act fast and make a difference. 

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A stroke or cerebrovascular-accident occurs when there is a sudden interruption in the blood flow and nutrient supply to a part of your brain.

What is Cerebrovascular Accident (CVA) or Stroke?

A stroke-or-cerebrovascular-accident-cva occurs when there is a sudden interruption in the blood flow and nutrient supply to a part of your brain. The brain cells do not receive the optimum oxygen and begin to die within minutes. As it is a medical emergency, prompt treatment is crucial.

Usually, the blood flow to the brain stops if there is a blockage or rupture of an artery to the brain. Unless you receive medical attention at the earliest, severe damage to the brain can lead to some long-term disability. The outcome can be fatal, too.

Types of Stroke

There are two main types of stroke:

Ischemic Stroke

When a blood clot blocks a brain blood vessel, this type of stroke happens. It's the most frequent kind, making up about 80% of stroke incidents. The blockage stops blood and oxygen from getting to parts of the brain, which can result in severe brain damage if not treated immediately.

Hemorrhagic Stroke

A hemorrhagic stroke happens when a blood vessel in the brain ruptures, causing bleeding into the surrounding brain tissue. The increased pressure from the bleeding can damage brain cells. Hemorrhagic strokes are often triggered by high blood pressure, aneurysms, or traumatic injuries.

Another condition similar to a stroke is a transient ischemic attack (TIA), often referred to as a "mini-stroke." TIAs occur when the blood supply to the brain is temporarily blocked. Although the damage to brain cells is not permanent, having a TIA significantly increases your risk of experiencing a full stroke.

Symptoms of Cerebrovascular Accident (CVA) or Stroke

The onset of the symptoms of stroke is sudden and quick. Medical attention should be sought immediately if you notice any of these symptoms. Here are the key symptoms to watch for:

  • Sudden Numbness or Paralysis: Numbness or paralysis in the leg, face, or arm, often affecting one side of the body.
  • Difficulty Walking: Sudden loss of balance or coordination.
  • Blurred or Darkened Vision: Sudden vision problems in one or both eyes.
  • Slurred Speech: Difficulty speaking or understanding speech.
  • Dizziness: Constant dizziness or loss of balance.
  • Sudden Severe Headache: Accompanied by nausea and vomiting.

Additional Symptoms to Watch For

  • Confusion: Sudden trouble understanding simple statements.
  • Difficulty Swallowing: Issues with swallowing food or liquids.
  • Fatigue: Unexplained fatigue and lack of energy.

FAST Method for Stroke Recognition

To quickly recognise a stroke, use the FAST method:

  • Face: Drooping of any one side of the face.
  • Arm: The arm drifts down on holding it outwards.
  • Speech: Abnormal or slurred speech.
  • Time: Call the emergency now and rush to the hospital immediately.

Fundamental Causes of Stroke or Cerebrovascular Accident (CVA)

Strokes or CVAs can occur due to various reasons. Here are the fundamental causes:

  • Blood clots block an artery to the brain.
  • Blood vessels narrow due to atherosclerosis (hardening of the arteries).
  • The buildup of calcium and cholesterol on artery walls (atherosclerotic plaque).
  • Clots or plaques break loose and travel through the circulatory system.
  • Clots or plaques lodge in the cerebral artery, stopping blood flow.
  • Bleeding in the brain (cerebral haemorrhage) from a widened or weakened artery.

How Are Strokes Diagnosed?

To accurately diagnose a stroke, your healthcare provider will:

  • Ask about your symptoms and medical history: They will gather detailed information about your recent symptoms, any prior strokes, and your overall health history.
  • Perform a physical exam, which includes checking:
    1. Your mental alertness and cognitive functions.
    2. Your coordination and balance.
    3. Numbness or weakness in your face, arms, or legs.
    4. Any difficulties with speech or vision.
  • Conduct various tests, which may include:
    1. Diagnostic Imaging: CT scans or MRIs to determine the type and severity of the stroke.
    2. Heart Tests: EKGs and echocardiograms to identify heart conditions or blood clots that may have caused the stroke.

Emergency Response to Stroke

Prompt action during a stroke can significantly impact the person's recovery and outcome. Knowing what to do can save lives and reduce long-term damage.

What to Do When Someone Is Having a Stroke

Recognising the signs of a stroke and acting quickly is crucial. Here are the steps you should take:

  1. Recognise stroke symptoms: sudden numbness or weakness on one side, confusion, speech trouble, vision issues, dizziness, loss of balance, and severe headache.
  2. Use the ‘FAST’ Method: Ask the person to smile and check if one side of the face droops. Ask them to raise both arms and see if one arm drifts downward or is unable to rise. You can check for slurred words by asking the person to repeat a simple phrase or strange speech. If you observe any of these signs, call emergency services immediately.

Importance of Quick Response

Acting quickly during a stroke is vital. The faster a person receives medical treatment, the better their chances of recovery and reducing long-term disability. Every minute counts, as time lost means more brain damage.

Calling Emergency Services

  • Dial Emergency Services: Call 102 immediately or your nearest. Do not attempt to drive the person to the hospital; emergency responders can start treatment en route.
  • Provide Clear Information: Clearly describe the person's symptoms, your location, and any known medical history to the dispatcher. Follow their instructions carefully.
  • Stay with the Person: Keep them calm and stay with them until help arrives. Note the time when symptoms first appeared, as this is important for medical personnel.

Treatments for Stroke

Stroke treatment combines surgery, medications, and rehabilitation tailored to the type of stroke. There are three main stages:

Acute Treatment

Acute treatment aims to stop the stroke as it occurs. Immediate actions may include:

  • Thrombolytic Therapy: Administering clot-busting drugs like tissue plasminogen activator (tPA) to dissolve blood clots in ischemic strokes.
  • Endovascular Procedures: Inserting a catheter to remove clots directly from the brain's blood vessels.
  • Emergency Surgery:  Performing procedures like a craniotomy (surgical removal of part of the skull) to relieve pressure from brain bleeding due to a hemorrhagic stroke.

Post-Stroke Rehabilitation

Post-stroke rehabilitation helps individuals regain lost skills and functions. The rehabilitation process involves:

  • Physical Therapy: Exercises and activities to improve movement, balance, and coordination.
  • Occupational Therapy: Training to assist with daily activities and enhance independence.
  • Speech Therapy: Techniques to improve communication skills and address swallowing difficulties.
  • Psychological Support: Counseling to manage emotional changes and cope with depression and anxiety.

These treatments and rehabilitation efforts are essential in helping stroke patients recover and improve their quality of life.

Who is at Risk for Stroke 

Certain factors elevate your risk of experiencing a stroke. 

  • Diabetes, along with fluctuations in blood sugar level.
  • High blood pressure is always the primary risk factor for stroke.
  • Family history of TIA or stroke-or-cerebrovascular-accident-cva. Heart diseases like atrial fibrillation can cause blood clots.
  • Ageing triggers stroke as the arteria wall becomes weaker or hardens with age. 
  • Smoking damages the blood vessels and shoots up blood pressure. 
  • High cholesterol level
  • Regular consumption of alcohol and illegal drugs.
  • Unhealthy diet
  • Obesity
  • Absence of regular physical activities. 

How to Prevent Stroke or CVA

By now, you know the risk factors that increase the possibility of suffering from a stroke. However, there are various measures to prevent the condition. So here are the ways that will help to reduce the risk.

  • Maintain normal blood pressure levels. If necessary, follow medication. 
  • Refrain from regular drinking, smoking, and consumption of harmful drugs.
  • Control blood sugar level
  • Maintain healthy body weight.
  • Include vegetables and fruits in the diet plan.
  • Exercise regularly. 
  • Limit the inclusion of saturated fats and cholesterol in the diet.
  • Regular check-ups with healthcare providers can help monitor risk factors and implement preventive measures.

The healthcare provider may prescribe medicines for preventing stroke-or-cerebrovascular-accident-cva if the doctor knows that you are at risk. The blood-thinning medication works the best to prevent clot formation. ‍

Related Conditions to Cerebrovascular Accident (CVA) or Stroke

Recovery from a major stroke or CVA will be a long process as the condition can have several effects. Some of these effects are even irreversible. The related conditions include

  • Changes in the senses
  • Spasticity
  • Vision problems with partial or permanent loss of vision
  • Behavioural changes
  • Clinical depression
  • Fatigue
  • Perception, attention, and memory problems.
  • Weakness and paralysis

Empower Your Health Journey with Physiotattva

Strokes can be life-threatening, but early recognition and treatment can save lives and improve outcomes. By understanding the symptoms, causes, and treatments, you can better protect yourself and your loved ones. Prioritise regular health check-ups, maintain a healthy lifestyle and stay informed about the latest stroke prevention strategies. Taking a proactive approach to your health can significantly reduce your stroke risk.

Don't wait—schedule an appointment with Physiotattva for expert guidance and personalised support in stroke prevention, diagnosis, and recovery. Take the first step towards a healthier, stroke-free life today.

FAQs

1. What are the different types of stroke?

There are two major kinds of stroke. Ischemic stroke can happen when there is a partial or complete blockage or clot in the artery. 80% of the strokes are ischemic in nature. The rest are Hemorrhagic strokes where the artery or a blood vessel bursts and leaks inside the brain.

2. Why is rehabilitation necessary?

Rehabilitation is a critical aspect of the care system after a stroke. The standard programs include speech therapy, physiotherapy, and occupational therapy, which will help you to regain independence gradually.

3. How do you react when someone is having a stroke?

Quick reaction is vital. Call emergency services immediately if someone shows stroke symptoms. Immediate treatment increases survival and recovery chances.

4.  How can I reduce my risk of having a stroke?

To lower your risk of having a stroke, it's important to maintain a healthy blood pressure, maintain a healthy blood sugar level, and follow a balanced, fruit-and-vegetable-rich diet. Regular physical activity is crucial, as is avoiding smoking and limiting alcohol consumption. Your risk for cardiovascular disease can be significantly reduced with these lifestyle changes and promote overall cardiovascular health.

Frequently Asked Questions

1. What are the different types of stroke?
There are two major kinds of stroke. Ischemic stroke can happen when there is a partial or complete blockage or clot in the artery. 80% of the strokes are ischemic in nature. The rest are Hemorrhagic strokes where the artery or a blood vessel bursts and leaks inside the brain.
2. Why is rehabilitation necessary?
Rehabilitation is a critical aspect of the care system after a stroke. The standard programs include speech therapy, physiotherapy, and occupational therapy, which will help you to regain independence gradually.
3. How to react when someone is having stroke?
Quick reaction is the only way to save lives and prevent serious damage to the brain when people have a stroke. The more you wait, the more damage will happen to the brain. So you have to call an emergency service at the earliest. Even if you think that the patient is recovering, don't hesitate to contact the doctor. Brain damages can continue even after several hours of the stroke. The chances of survival and recovery increase with immediate treatment.

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