Ischaemic Stroke Specialists in Kuppe, Mysuru, Karnataka

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.

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 Kuppe, Mysuru, Karnataka

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.

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