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Vascular Dementia
The second leading cause of dementia, Vascular dementia (VaD) occurs when the cells in the brain are deprived of oxygen. It is often the result of a stroke, which occurs when blood flow in the brain is blocked.
When Alzheimer's disease and VaD occur at the same time, the condition is called mixed dementia.
VaD usually has a sudden onset. The disease may occur in steps, where a person’s condition can deteriorate, stabilize for a time and then deteriorate again. The cognitive symptoms may vary, affecting some areas of the brain more or less than others (e.g., language, vision or memory).
