Ischaemic Stroke Specialists in Telangana
Ischaemic stroke is the most common type of stroke, occurring when a blood clot or other obstruction blocks blood flow to part of the brain, depriving brain tis…
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What is Ischaemic Stroke?
Ischaemic stroke is the most common type of stroke, occurring when a blood clot or other obstruction blocks blood flow to part of the brain, depriving brain tissue of oxygen and nutrients. Without prompt restoration of blood flow, the affected brain cells begin to die within minutes, making rapid recognition and treatment critical to minimising permanent damage, a principle often summarised as "time is brain." The blockage can result from a clot that forms directly within a narrowed brain artery, or from a clot that forms elsewhere in the body, often the heart, and travels to lodge in a brain artery. The specific symptoms and their severity depend on which part of the brain is affected and how much tissue is damaged before blood flow is restored. Emergency treatment within a critical time window can significantly limit brain damage and improve recovery, making immediate medical attention for any sudden stroke symptoms essential.
Severe
Common — a leading cause of death and disability in India, with hypertension being the most significant contributing risk factor
No
Causes of Ischaemic Stroke
Most commonly caused by a blood clot blocking a narrowed brain artery affected by atherosclerosis, or by a clot originating in the heart, often related to atrial fibrillation, that travels to the brain. Major risk factors include hypertension, diabetes, high cholesterol, smoking, atrial fibrillation, and obesity, all of which contribute to the underlying vascular and clotting abnormalities that lead to stroke. Age, family history, and a prior history of stroke or transient ischaemic attack further increase risk.
Symptoms of Ischaemic Stroke
Sudden weakness or numbness on one side of the face, arm, or leg, sudden difficulty speaking or understanding speech, sudden vision problems in one or both eyes, sudden severe headache, sudden difficulty walking, dizziness or loss of balance, confusion
Treatment & Types of Ischaemic Stroke in Telangana
Emergency treatment within a critical time window includes clot-dissolving thrombolytic medication or a procedure to mechanically remove the clot, both aimed at rapidly restoring blood flow to the affected brain tissue. Following the acute phase, treatment focuses on preventing further strokes through antiplatelet or anticoagulant medication, along with aggressive management of underlying risk factors such as blood pressure and cholesterol. Rehabilitation involving physical, occupational, and speech therapy is a crucial part of recovery to help regain lost function and independence.
Ischaemic stroke is classified by underlying mechanism into thrombotic stroke, where a clot forms directly within a narrowed brain artery affected by atherosclerosis, and embolic stroke, where a clot forms elsewhere in the body, often the heart due to atrial fibrillation, and travels to block a brain artery. A related, milder condition called a transient ischaemic attack involves temporary blockage with symptoms resolving within 24 hours, but it is an important warning sign for future stroke risk.
Neurology Specialists in Telangana (0)
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Frequently Asked Questions
What does time is brain mean in stroke treatment?
It reflects that brain cells begin dying within minutes of blood flow being cut off, so faster treatment with clot-dissolving medication or clot removal leads to significantly better recovery and less permanent damage.
How is a stroke diagnosed quickly in the emergency room?
Doctors use rapid assessment, often the FAST test for face drooping, arm weakness, speech difficulty, and time to call for help, along with urgent brain imaging to confirm a stroke and determine whether clot-dissolving treatment is appropriate.
Can a stroke be prevented if I have atrial fibrillation?
Yes, blood-thinning medication significantly reduces the risk of a clot forming in the heart and traveling to the brain in people with atrial fibrillation, so managing this condition is an important prevention strategy.
What does recovery from a stroke typically involve?
Rehabilitation with physical, occupational, and speech therapy is central to recovery and helps many patients regain significant function, though the extent of recovery depends on the size and location of the affected brain area.
How can I reduce my risk of a first or repeat stroke?
Managing blood pressure, cholesterol, and blood sugar, not smoking, staying physically active, and seeking immediate care for any stroke-like symptoms rather than waiting are the most effective prevention steps.