Delirium, dementia, Alzheimer's disease are acute reversible organic disorders that have symptoms of cognitive dysfunction.
Delirium, also known as acute confusional state, is an organically caused decline from a previous baseline level of mental function that develops over a short period of time. It is more common in older adults and can be confused with psychiatric disorders or chronic brain syndromes. Delirium may manifest in individuals with existing mental illness or dementia.
Dementia is a significant loss of cognitive ability beyond normal aging. It is not a single disease but a syndrome associated with various conditions like Alzheimer's disease. Symptoms of dementia include memory loss, confusion, and difficulty with language.
Alzheimer's disease is a well-known neurocognitive disorder that affects older individuals. It is the most common cause of dementia, leading to symptoms such as memory loss, irritability, and mood swings. The disease's neural damage results in limited treatment options available only to slow down symptoms progression.
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