Stroke Causes, Symptoms, Diagnosis, and Treatment: A Complete Guide
A stroke occurs when a bleeding or blood clot disrupts the blood supply to the brain. That's why early detection and intervention can significantly reduce its life-long consequences. Through stroke screening, healthcare professionals can identify risk factors and take steps to prevent stroke or minimize its effects. This article discusses stroke causes, meaning, symptoms, diagnosis, treatment options, and management.
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Common Questions About Stroke Causes, Symptoms, Diagnosis and Treatments
What are the main types of stroke and how are they treated?
There are two main types of stroke:
Ischemic stroke
This occurs when a blood vessel supplying the brain becomes blocked, usually due to a blood clot. Treatment focuses on restoring blood flow to the affected area of the brain as quickly as possible.
Haemorrhagic stroke
This occurs when a blood vessel in the brain ruptures and causes bleeding. Treatment focuses on controlling the bleeding, managing pressure within the brain and addressing the underlying cause.
The most appropriate treatment depends on factors such as:
- Type of stroke
- Location and size of the affected blood vessel
- Time since symptoms started
- The patient’s overall health
- The cause of the stroke
A specialist assessment is important because stroke treatment decisions are highly time-sensitive and personalised.
What are the warning signs and symptoms of stroke?
Stroke symptoms often appear suddenly and may include:
- Facial drooping or weakness on one side of the face
- Weakness or numbness affecting one side of the body
- Difficulty speaking or understanding speech
- Sudden vision changes
- Loss of balance, dizziness or difficulty walking
- Sudden severe headache, especially if accompanied by neurological symptoms
A useful way to remember common warning signs is FAST:
- Face – Is one side of the face drooping?
- Arm – Is there weakness or numbness in one arm?
- Speech – Is speech unclear or difficult to understand?
- Time – Seek emergency medical attention immediately
Early recognition and treatment can significantly affect outcomes, as some stroke treatments are most effective when performed within specific time windows.
How is a stroke diagnosed?
Stroke diagnosis involves urgent assessment to determine the type of stroke and identify the cause.
Doctors may use:
- CT brain scans
- MRI brain imaging
- CT angiography (CTA)
- MR angiography (MRA)
- Cerebral angiography in selected cases
- Blood tests and other medical assessments
Imaging helps specialists determine whether the stroke is caused by a blockage, bleeding or another vascular condition.
At the Supreme Vascular and Interventional Clinic, detailed assessment of the blood vessels helps guide treatment decisions, particularly for patients who may require specialised neurointerventional procedures.
What treatments are available for stroke?
Stroke treatment depends on whether the stroke is caused by a blocked blood vessel or bleeding in the brain.
For certain ischemic strokes, treatment options may include:
- Medication to dissolve blood clots in suitable patients
- Endovascular thrombectomy, where a specialist removes the clot using catheter-based techniques
For haemorrhagic strokes or strokes caused by underlying vascular conditions, treatment may involve:
- Managing bleeding and pressure within the brain
- Treating the underlying cause
- Minimally invasive neurointerventional procedures in selected cases
The best treatment approach depends on the individual patient, the cause of the stroke and the condition of the affected blood vessels.
When should someone see a stroke or neurovascular specialist?
A stroke or suspected stroke requires urgent medical assessment. Specialist review is also important after the immediate emergency phase to understand the cause, reduce future risk and plan ongoing care.
Consider specialist assessment if you:
- Have experienced a stroke or transient ischaemic attack (TIA)
- Have been diagnosed with a narrowed or blocked blood vessel supplying the brain
- Have been advised to consider neurointerventional treatment
- Have a suspected vascular cause of stroke, such as an aneurysm, arteriovenous malformation (AVM) or carotid artery disease
- Want a second opinion about your stroke treatment plan
- Need guidance on preventing future strokes
At the Supreme Vascular and Interventional Clinic, patients receive specialist neurovascular assessment focused on understanding the underlying cause, discussing treatment options and supporting long-term vascular health.
What Are the Types of Stroke?
Strokes fall into two categories: ischemic stroke and hemorrhagic stroke.
1. A clot in a blood vessel that supplies blood to the brain causes an ischemic stroke. This means that there is a blockage of blood supply causing ischemia.i
2. A hemorrhagic stroke results from bleeding in the brain, usually brought about by an aneurysm (weakened artery wall). High blood pressure (hypertension) is among the most common reasons for a hemorrhagic stroke. Understanding these two types of stroke is critical for accurate diagnosis and treatment.
What are the Symptoms of Stroke?
The American Stroke Association invented the F.A.S.T. program to help people identify the signs of a stroke.
F: refers to Face drooping on one side
A: is for Arm weakness in one arm
S: represents Slurred speech
T: this means it's Time to call emergency responders and rush them to see a neurointervention specialist. You can Google "stroke doctor near me" or "stroke hospital near me" to find a stroke hospital in Singapore.
How to Spot a Stroke? BE FAST
Another acronym that is useful in the fast recognition of acute ischemic stroke and simple way to remember is BE FAST.
B: Balance Lost
E: Eyesight changes
F: Face drooping
A: Arm weaknesses
S: Slurred speech
T: Time to call 9-9-5
Note: If you believe someone displays symptoms of a ruptured brain aneurysm, which can lead to a hemorrhagic stroke, you must seek medical assistance immediately. Timely diagnosis and treatment can improve the chances of survival and reduce severe complications due to a debilitating stroke, for example.
What are the Causes of Stroke?
When the blood supply to the brain is reduced or interrupted, it causes brain cells to die, leading to a stroke. Age, gender, and genetic predisposition are all risk factors that can increase a person's chances of stroke. Individuals over 55 years, for example, are more vulnerable than younger people, as are men than women.
A family history of stroke can also increase someone's susceptibility to stroke. Other stroke causes include high blood pressure, diabetes, obesity, high cholesterol, smoking, and excessive alcohol consumption.
Read more about stroke management and prevention with Dr. Manish Taneja. We provide stroke and brain aneurysm care and treatments at our specialized stroke and brain aneurysm clinic at Supreme Vascular and Interventional Clinic in Singapore.
What is the Diagnosis of Stroke?
A neurointervention specialist takes a C.T. scan or M.R.I. of the brain to help identify the location and extent of the bleeding in strokes. They may also perform blood tests to look for abnormal clotting, and a lumbar puncture helps rule out bleeding in the spinal fluid. Your stroke doctor may perform an electrocardiogram (E.C.G.) to identify heart problems that could increase the risk of stroke.
Stroke Screening Process
Stroke screening involves performing a thorough physical examination. It also helps rule out risk factors such as age, family history, obesity, high blood pressure, high cholesterol levels, smoking, and diabetes.
- A diagnostic test is conducted to detect the presence of any blood clots, blockages, or abnormalities in the brain using a C.T. scan and M.R.I.
- A specialist interprets the diagnostic test results to determine stroke damage and the best course of treatment.
- The appropriate course of treatment is prescribed based on the diagnostics and interpretation. Follow-up care is essential to help patients recover fully or prevent the occurrence of another stroke.
The Supreme Vascular and Interventional Clinic in Singapore offers stroke screening below.
What Does Our Clinic Stroke Screening Involve?
Stroke screening process involves:
1. Consultation
2. Blood tests
3. MRI /CT scan of the brain and its blood vessels.
This non-invasive assessment is followed by appropriate advice/ treatment as required on an individual basis. Stroke screening can also be combined with cardiac and vascular assessment as required since risk factors for these medical conditions overlap.
Screening for High Risk Patients
These are the imaging tools used for screening. The exact scan depends on the underlying patients' conditions.
- Head CT scan
- Ultrasound
- MRI scan
- MRA (Magnetic Resonance Angiography)
Treatment Options and Stroke Management
The primary treatment for an ischemic stroke is using blood-thinning medications that break up clots obstructing blood flow to the brain. A neurointervention specialist uses surgery and medicine to treat a hemorrhagic stroke, especially if the bleeding area is extensive. The goal is to stop the bleeding and avoid complications like permanent brain damage. Stroke treatment focuses on assisting patients in regaining movement and sensation on the affected side of the body.
Your neurointervention specialist will recommend the most rigorous rehabilitation program based on the degree of disability caused by the stroke. The healing process is unique to each patient. But with medication, including speech, physical, and occupational therapy, recovery usually occurs during the first three to four months and well into the first or second year for severe stroke cases.
How Can I Lower My Risk of Stroke?
Manage your ABCS.
A: A1C Test. The hemoglobin A1C or HbA1c test, commonly referred to as the A1C test, is a straightforward blood test that assesses your average blood glucose levels during the previous 3 months. This test is frequently employed to identify prediabetes and diabetes, and it is the primary diagnostic tool that assists you and your healthcare professionals in managing your diabetes.
B: Blood Pressure. High blood pressure can result in the bursting or blocking of the arteries that provide oxygen and blood to the brain. This can ultimately lead to the occurrence of a stroke
C: Cholesterol. Too much cholesterol may cause fatty deposits buildup in your arteries. If the arteries are narrow and stiff, this makes it harder for blood flow and an increased chance of blood clot development.
S: Stop Smoking. According to the World Stroke Organization, tobacco smoke contains thousands of harmful chemicals which are transferred from your lungs into your bloodstream. "These chemicals change and damage cells and afect how your body works. These changes afect your circulatory system and increase your risk of stroke. Smoking can afect your body’s cholesterol levels, it reduces the levels of ‘good’ HDL cholesterol and increases the levels of ‘bad’ LDL cholesterol. Higher levels of LDL cholesterol increase your risk of stroke."
A brain aneurysm is a weak or bulging area in the wall of an artery in the brain. When an aneurysm ruptures or bursts, it can lead to a type of stroke called a hemorrhagic stroke. Read more about how brain aneurysms affect stroke risk.
When to Consider a Stroke Specialist Assessment in Singapore
A stroke can be a life-changing event, and understanding why it happened is an important part of preventing future complications.
A specialist assessment helps identify the underlying cause of the stroke, evaluate the condition of the blood vessels and determine whether additional treatment or monitoring may be required.
Consider seeking specialist assessment if you:
- Have recently experienced a stroke or transient ischaemic attack (TIA)
- Have been diagnosed with a blockage or narrowing of the blood vessels supplying the brain
- Have abnormal brain or blood vessel imaging findings
- Have been advised that your stroke may be related to an aneurysm, AVM, carotid artery disease or another vascular condition
- Want to understand your treatment options after a stroke
- Are seeking a second opinion regarding diagnosis, treatment or long-term stroke prevention
- Have concerns about the risk of another stroke occurring
- Require ongoing specialist follow-up after stroke treatment
A neurovascular specialist can assess your brain and blood vessels, review imaging results and determine whether further investigation, minimally invasive treatment or ongoing monitoring may be appropriate.
At the Supreme Vascular and Interventional Clinic, patients receive personalised neurovascular care with clear explanations of their condition, treatment options and next steps. The focus is on specialist-led assessment, minimally invasive treatment where appropriate and continued support throughout the recovery and follow-up journey.
Supreme Vascular and Interventional Clinic Treatments
There are more several types of neurointerventional treatments we offer to treat different problems. Swipe to learn more.
Stroke Resources
Stroke Prevention Tips: How to Avoid High Cholesterol
Controllable risk factors are lifestyle choices that can be changed to reduce the risk of having a stroke including managing your cholesterol.
We’ve Got You Covered for Specialized Stroke Screening, Prevention, and Management
Imagine heart attacks where the blood flow to your heart is blocked. Similarly, a stroke occurs when the blood flow to your brain is interrupted becoming a “brain attack”, affecting a blood vessel and surrounding brain function. When blood supply does not reach a certain part, brain cells begin to die. Different types of stroke include ischemic strokes or a mini stroke, a TIA (transient ischemic attack). Common risk factors include high blood pressure, which increases strain on the blood vessel and raises the likelihood of a stroke. Symptoms can vary, but may include difficulty in speaking and other changes depending on how blood flow is affected. Understanding risk factors and acting early can make a difference. It’s important to work closely with a specialist to monitor your health and reduce stroke risk.
Brain Aneurysm Resources
Discover brain aneurysm resources that go beyond the basics designed for patients. Understand the meaning of a brain aneurysm condition, the causes, symptoms, signs, and more. Connect with your brain health.
Put Brain Aneurysm on Your Health Radar
Did you experience the worst headache of your life? Thoughts could be racing through your mind. A brain aneurysm is a weak spot in a blood vessel in the brain that can change over time. The key concern is when an aneurysm ruptures, which can disrupt blood flow, affect brain tissue, and lead to serious brain damage. Controllable conditions like high blood pressure can increase this risk and treatment options can depend on the condition. Surgical clipping is one option that prevents blood from entering the weakened area. In many cases, minimally invasive treatments can also be used to restore normal blood flow and reduce risk. We have created structured guides to help you explore each stage in more detail:
A simple (computed tomography) CT scan could be just what the doctor ordered and the first step in early detection and prevention of a brain aneurysm. Come in for an easy consultation with our brain aneurysm specialist in Singapore to be on your health radar.
The Supreme Vascular and Interventional Clinic is your "go-to" facility for various neurological conditions and pain management. To arrange an appointment with Dr. Manish Taneja, our neurointervention specialist, contact us. You can also call us at (+65) 6904 8084 for a consultation.