Stages of Alzheimer’s Disease

UML Timing Diagram Example

An example of timing diagram of medical domain showing stages of Alzheimer’s disease. Alzheimer's disease (AD) is a a progressive, ultimately fatal brain disease that causes loss of memory and intellectual abilities. The cause of the disease is unknown. AD has no cure and is one of the leading causes of death in the United States.

For Alzheimer’s disease doctor may use a diagnostic framework with three to seven levels (stages). Progression through these stages may last from 8 to 10 years, and in some cases up to 20 years from the time neuron changes start.

Example of timing diagram below shows timing for the seven stage framework. Note, that this is a UML diagram example and should not be considered as a medical reference for the disease. Medical details are provided here only to aid in better understanding of the diagram.

Timing diagram example - Alzheimer’s disease stages.

Timing Diagram Example - Stages of Alzheimer’s Disease

Seven stage Alzheimer’s disease framework includes the following stages: