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Stages of Alzheimer's disease

Every person experiences Alzheimer’s disease differently, but will share a similar path from the beginning to the end. These stages are guidelines as to what to expect over the course of the disease.

This is summary of the seven stages of Alzheimer’s disease based on the ideas of Dr. Barry Reisberg, Clinical Director of New York University’s Aging and Dementia Research Center.

Stage 1: No Impairment

During this stage, Alzheimer’s disease is not detectable and no memory problems or other symptoms of dementia are evident.

 

Stage 2: Very Mild Decline


The senior may notice minor memory problems or lose things around the house, although not to the point where the memory loss can easily be distinguished from normal age related memory loss. The person will still do well on memory tests and the disease is unlikely to be detected by physicians or loved ones.

 

Stage 3: Mild Decline


At this stage, the friends and family members of the senior may begin to notice memory and cognitive problems. Performance on memory and cognitive tests are affected and physicians will be able to detect impaired cognitive function.
Patients in stage 3 will have difficulty in many areas including:

  • Finding the right word during conversations
  • Remembering names of new acquaintances
  • Planning and organizing


People with stage three Alzheimer’s may also frequently lose personal possessions, including valuables.

 

Stage 4: Moderate Decline


In stage four of Alzheimer’s disease clear cut symptoms of Alzheimer’s disease are apparent. Patients with stage four
Alzheimer’s disease:

  • Have difficulty with simple arithmetic
  • May forget details about their life histories
  • Have poor short term memory (may not recall what they ate for breakfast, for example)
  • Inability to manage finances and pay bills

 

Stage 5: Moderately Severe Decline


During the fifth stage of Alzheimer’s, patients begin to need help with many day to day activities. People in stage five of the disease may experience:

  • Significant confusion
  • Inability to recall simple details about themselves such as their own phone number
  • Difficulty dressing appropriately

On the other hand, patients in stage five maintain a modicum of functionality. They typically can still bathe and toilet
independently. They also usually still know their family members and some detail about their personal histories, especially their childhood and youth.

 

Stage 6: Severe Decline


Patients with the sixth stage of Alzheimer’s disease need constant supervision and frequently require professional care. Symptoms include:
Confusion or unawareness of environment and surroundings

  • Major personality changes and potential behavior problems
  • The need for assistance with activities of daily living such as toileting and bathing
  • Inability to recognize faces except closest friends and relatives
  • Inability to remember most details of personal history
  • Loss of bowel and bladder control
  • Wandering

 

Stages 7: Very Severe Decline

Stage seven is the final stage of Alzheimer’s disease. Because Alzheimer’s disease is a terminal illness, patients in stage seven are nearing death. In stage seven of the disease, patients lose ability to respond to their environment or communicate. While they may still be able to utter words and phrases, they have no insight into their condition and need assistance with all activities of daily living. In the final stages of the illness, patients may lose their ability to swallow.

Source: Alzheimers.net

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