The full form of CVA is “cerebral vascular accident.” This is a term used to describe a stroke. A stroke occurs when there is a sudden interruption of blood flow to the brain, which leads to the deprivation of vital oxygen and nutrients. This interruption can be caused by various factors, such as a blood clot blocking a blood vessel or the rupture of a blood vessel in the brain.
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What are the Different Types of CVA?
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There are mainly two types of CVA, each with its own distinguishable characteristics and causes. Understanding these variations can help in identifying and managing the condition effectively.
- Ischemic Stroke: This is the most common type of CVA, accounting for approximately 87% of all cases. It occurs when a blood clot develops within a blood vessel, blocking the flow of blood to a specific area of the brain. Ischemic strokes can further be classified into two subtypes: thrombotic stroke, caused by a clot forming directly in the brain’s blood vessels, and embolic stroke caused by a clot travelling from another part of the body to the brain.
- Hemorrhagic Stroke: Hemorrhagic strokes are less common but can be more severe. They occur when a blood vessel in the brain ruptures, leading to bleeding within the brain tissue. This can be the result of conditions such as high blood pressure, aneurysms or arteriovenous malformations (AVMs).
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What are the Common Causes and Risk Factors of CVA?
Some Common causes of CVA are –
- High Blood Pressure
- Smoking
- Diabetes
- Obesity
- Sedentary Lifestyle
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Diagnosing and Treating CVA
Prompt diagnosis and treatment are essential in the management of CVA. Doctors employ several diagnostic methods like –
- Physical and Neurological Examination: Doctors assess a patient’s physical condition, including reflexes, coordination and muscle strength.
- Imaging Tests: CT scans and MRI scans are commonly used to visualize the brain and identify any abnormalities or signs of stroke.
- Blood Tests: These tests help determine various factors, such as cholesterol levels, blood sugar levels, and clotting factors.
Once diagnosed, treatment for CVA focuses on minimizing brain damage and preventing further complications. Treatment options may include:
- Medication: Different medications, such as antiplatelet agents and anticoagulants, are utilized to reduce the risk of blood clots and manage underlying conditions.
- Surgical Intervention: In certain cases, surgical procedures may be necessary to treat underlying causes or prevent future strokes.
- Rehabilitation: Rehabilitation programs involving physical therapy, speech therapy, and occupational therapy help in the recovery and restoration of function post-CVA.
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