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Medical Health Encyclopedia
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Aged nervous tissue
Aged nervous tissue


Alzheimer’s disease

Alternative Names:

Senile dementia/Alzheimer's type (SDAT)



Symptoms:

In the early stages, the symptoms of AD may be subtle and resemble signs that people mistakenly attribute to "natural aging." Symptoms often include:

  • Repeating statements
  • Misplacing items
  • Having trouble finding names for familiar objects
  • Getting lost on familiar routes
  • Personality changes
  • Losing interest in things previously enjoyed
  • Difficulty performing tasks that take some thought, but used to come easily, like balancing a checkbook, playing complex games (such as bridge), and learning new information or routines
Text Continues Below



In a more advanced stage, symptoms are more obvious:

  • Forgetting details about current events
  • Forgetting events in your own life history, losing awareness of who you are
  • Problems choosing proper clothing
  • Hallucinations, arguments, striking out, and violent behavior
  • Delusions, depression, agitation
  • Difficulty performing basic tasks like preparing meals and driving

At end stages of AD, a person can no longer survive without assistance. Most people in this stage no longer:

  • Understand language
  • Recognize family members
  • Perform basic activities of daily living such as eating, dressing, and bathing


Signs and tests:

The first step in diagnosing Alzheimer's disease is to establish that dementia is present. Then, the type of dementia should be clarified. A health care provider will take a history, do a physical exam (including a neurological exam), and perform a mental status examination.

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