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Alzheimer's disease is a progressive brain disorder what causes a progressive and irreversible loss of higher brain functions like memory, language skills, and perception of time and space.
Alzheimer's disease usually occurs in people over 65 years. Although it is much less common, and only about 2% of Alzheimer's cases are early-onset, the disease can appear in people in their 30s, 40s, or 50s.
Actually how it begins is unknown Alzheimer's disease. Damage to the brain probably begins a decade or more before the first symptoms begin to appear.
The analysis of brains affected by Alzheimer's disease shows that in the early stages of the disease, before the first symptoms begin to appear, a abnormal accumulation of beta-amyloid protein deposits in the form of plates. The formation of neurofibrillary tangles from another protein called tau within neurons.
This makes brain neuronsstart to work less efficiently, that over time they lose their ability to function and communicate with each other, and eventually end up dying. As neurons die, the affected regions of the brain begin to shrink.
The loss of neurons and connecting synapses first affects the memory and language centers of the brain, eventually affecting the entire brain.
The time from the diagnosis of Alzheimer's to the death of the patient it varies. It will mainly depend on how young the person was at the time of diagnosis of the disease.
The average length of time between the appearance of the first symptoms of Alzheimer's disease and death seems range from 4 to 16 years. In general, women with the disease they survive longer than men.
One of the first symptoms of Alzheimer's disease is Loss of memory. Initially, they can be small mistakes such as difficulty remembering people's names, phone numbers or details of conversations.
Very remote memories (such as childhood memories) tend to remain relatively intact early in the disease, but eventually fade as the disease progresses. Sometimes, there may also be difficulty finding a correct word or a decrease in reading comprehension and / or the ability to write.
As the disease progresses, memory loss becomes more noticeable, for example, it may be difficult to remember how to get home. See 10 early symptoms of Alzheimer's.
For the diagnosis of Alzheimer's disease, aspects related to the general health of the patient, previous medical problems, the ability to carry out daily activities and the existence of changes in behavior and personality are taken into account.
Memory, problem solving, attention, counting, and language tests, as well as blood and urine tests, will be done to rule out other possible causes of symptoms. Brain imaging such as computed tomography (CT) or magnetic resonance imaging (MRI) will also be taken.
After the results of all these tests, there are two levels of diagnostic certainty:
He definitive diagnosis Alzheimer's disease alone can be done through the autopsy after death by examination of brain tissue.
Although it is unknown what causes Alzheimer's disease, there are a number of factors that could increase risk of a person to suffer from this disease.
Actually there is no cure for Alzheimer's, there are only palliative treatments to slow down and relieve symptoms.
A person does not die of Alzheimer's, dies with Alzheimer's after a sum of innumerable deaths (neuronal, functional, memory, character ...) that make Alzheimer's a very hard and very cruel disease.
It is the complications related to Alzheimer's disease that trigger death. One of the most common is pneumonia.
Yes and a hundred times yes. It is often very hard for family members to care for people affected by dementia or Alzheimer's. It is convenient to listen to specialists, to be advised and informed about how to care for people with Alzheimer's, especially when family members take care of people affected by this disease at home.