Would you know the symptoms of a stroke if it were to strike? Having one is the second leading cause of disability in the world. Worldwide, fifteen million people suffer them each year and a third of them die as a result. Another third becomes permanently disabled. It is the fifth leading cause of death in the United States.
The incidence of stroke is decreasing in the industrial world but increasing in the developing world. Frighteningly, it’s estimated that mortality from these events will triple in the next twenty years in Latin America, sub-Saharan Africa, and the Middle East.
They can strike anyone at any age, although it is much more common in people over the age of 60.
What is a Stroke?
Simply put, a stroke occurs when the blood supply to the brain is cut off. Deprived of oxygen, brain cells quickly die. Someone who suffers a stroke may lose memories or abilities that are in the affected parts of the brain.
There are two types:
Hemorrhagic – occurs when a blood vessel leaks or a brain aneurysm (enlarged artery) bursts and blood flows into or around the brain, causing pressure.
- Intracerebral hemorrhage is when the damaged vessel leaks blood directly into brain tissue, killing brain cells. In some cases, the hemorrhage occurs due to a genetic malformation of arteries and veins in the central nervous system (AVM, arteriovenous malformation). If this condition is appropriately diagnosed, it can be treated to prevent stroke.
- Subarachnoid hemorrhage occurs when there is bleeding in the space between the brain and the surrounding tissues. This is usually caused by a burst aneurysm but can occur as the result of head injury or the use of blood-thinning medication.
Ischemic – caused by a blockage or blood clot in a blood vessel, cutting off blood supply to the brain. This is the most common type.
- A blood clot can form and arterial plaque can break off anywhere in the circulatory system. If such a mass moves up to the brain and reaches a blood vessel too small for it to pass through, it can get stuck there. This is called an embolic stroke.
- A thrombotic stroke refers to the situation in which a blood clot forms inside one of the arteries that bring blood to the brain, causing a blockage.
- A transient ischemic attack (TIA) is commonly called a “mini-stroke”. It is a temporary blockage of blood to the brain and causes no long-term damage. Symptoms may manifest themselves but will pass within a few minutes. It is critically important to see a healthcare provider if you think you may have experienced a TIA—it’s often a precursor to a full-blown ischemic stroke.
What Contributes to Risk of Stroke?
They can occur without warning in anyone, including children. The following are the primary risk factors.
- Alcohol and other substance abuse, e.g., cocaine, methamphetamine
- Atherosclerosis or other cardiovascular diseases.
- Chronically high cholesterol
- Long-term use of some medications, including non-steroidal anti-inflammatory drugs (NSAID), including ibuprofen and naproxen
- Poor diet
- Sedentary lifestyle
- Sickle cell disease
- Smoking cigarettes
- Stress and depression
- Age and sex – the risk of increases with age. In people under the age of 60, men are more likely than women to suffer stroke but women are more likely to die as a result
- Race/ethnicity – in North America, African- and Native Americans are more likely to have strokes than other ethnic groups
12 Symptoms of a Stroke
Stroke symptoms depend on the part of the brain affected by the shutdown of blood supply. Knowing the signs can mean the difference between getting medical attention quick enough to prevent severe damage and a life of disability.
1. Pain on One Side of the Face
Sudden and inexplicable pain on one side of the face, arm, leg, or chest isn’t typical but it’s not uncommon. Women are more likely to experience atypical stroke symptoms, so better to be safe than sorry.
2. Blurry Vision
Sudden difficulty in seeing clearly, such as blurred or double vision, inability to focus your eye(s), or other changes in sight (in one or both eyes) can signal a stroke.
3. Difficulty Breathing or Swallowing
Women can experience different symptoms of a stroke than men. Having difficulty breathing or swallowing are two of these. These other signs of stroke are more common in women: fainting, irritation, hallucination, nausea or vomiting, sudden pain, seizures, hiccups.
Delayed onset hand tremors are a relatively uncommon but confirmed symptom of cerebral infarction—obstruction of blood supply to the brain.
5. Loss of Balance
Sudden dizziness, lack of coordination, or loss of balance are common stroke symptoms and should be taken seriously.
6. Difficult to Walk
Sudden numbness or tingling anywhere in the body (“pins and needles”) or instability and trouble with normal walking can be signs of a stroke.
7. Facial Paralysis
This is probably the best-known symptom of stroke. Sudden numbness/weakness/paralysis of one side of the face, arm, or leg can tell you a stroke is in progress.
“Try to raise both your arms over your head at the same time. If one arm begins to fall, you may be having a stroke. Similarly, one side of your mouth may droop when you try to smile,” warns the Mayo Clinic.
A normal headache feels like a dull squeeze of the head and occurs with no other symptoms of a stroke. A migraine is a sharp, painful throbbing that is usually preceded by other symptoms. A sudden, sharp, monstrous pain in the head—especially in younger people—can be a sign of stroke. Women are more likely to experience a stroke headache than men, especially those who regularly get migraines.
If you’re in the middle of doing something and become suddenly confused, disoriented, or unable to understand and think straight, it could be a sign of stroke.
Dizziness or imbalance alone isn’t necessarily a sign of a stroke; dizziness and imbalance accompanied by vertigo often are symptoms of a brainstem stroke. Vertigo is the sensation of swaying or spinning without moving or that objects in the environment are moving when they’re not. Vertigo alone is often a simple matter of an imbalance in the inner ear and can be cured with the Epley Maneuver or another physical adjustment. It’s the triumvirate that is of concern for stroke.
When it comes to brain stem stroke, the prognosis is very good:
“Dramatic recovery from a brain stem stroke is possible. Because brain stem strokes do not usually affect language ability, the patient is able to participate more fully in rehabilitation therapy. Most deficits are motor-related, not cognitive. Double vision and vertigo commonly resolve after several weeks of recovery in mild to moderate brain stem strokes,” writes the American Stroke Association.
11. Trouble Speaking
The area of the brain that is most responsible for speech is often affected by stroke. Inability to speak, slurred speech, or being unable to understand speech are common when suffering a stroke.
Women are more likely than men to feel sudden extreme fatigue, weakness, confusion, and changes in mental state during a stroke.
Up to 80 percent of strokes can be prevented.
To drastically reduce your risk of stroke, consider these lifestyle choices:
- Keep blood pressure manageable. Maintain blood pressure less than 120/80.
- Maintain a healthy weight. A Body Mass Index of 25 or less is desirable. The National Institutes of Health provide an online calculator for your BMI: click here to access.
- Exercise regularly, at a minimum of 30 minutes of moderate intensity at least 5 days a week.
- Limit alcohol to no more than one glass per day.
- Moderate blood sugar levels. If you have diabetes, stay on top of it. The risk of stroke is significantly higher for individuals with diabetes.
- Stop smoking cigarettes.
FAST for Stroke
Getting immediate medical attention (within an hour) when experiencing the symptoms of a stroke mentioned above is imperative to limit or prevent permanent damage or death. There are medications that quickly dissolve blood clots to remove the obstruction and get the blood flowing again to the brain. Receiving treatment within 3 hours of experiencing symptoms correlates to a 30 percent greater chance of escaping major harm.
In medical circles, the mnemonic acronym “FAST” has been used to spread the warning signs and what to do if you’re with someone whom you suspect is experiencing one. If there is a possibility there’s a stroke in progress, call for an ambulance right away.
Here’s what you need to remember:
- F (Face): Ask the person to smile. Look for signs of drooping on one side of the face.
- A (Arms): Ask the person to raise both arms. Look for a downward drift in one arm.
- S (Speech): Ask the person to repeat a phrase without slurring. For example, you could have her say, “The early bird catches the worm.”
- T (Time): Waste no time. Immediately call your local emergency services if you or someone you know shows signs of a stroke.
4 Comments on “A Silent Stroke and what will follow”
Very well written. I just pray that no one ever has to suffer this one!
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What if you just have trouble with speech
Speech impediments are common. However sudden changes in the way one talks may not be.