Dr. Charles "Pat" Davis, MD, PhD, is a board certified Emergency Medicine doctor who currently practices as a consultant and staff member for hospitals. He has a PhD in Microbiology (UT at Austin), and the MD (Univ. Texas Medical Branch, Galveston). He is a Clinical Professor (retired) in the Division of Emergency Medicine, UT Health Science Center at San Antonio, and has been the Chief of Emergency Medicine at UT Medical Branch and at UTHSCSA with over 250 publications.
Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.
Alzheimer's disease is a generalized
deterioration of brain function that progresses in individuals.
Depending upon which experts are
researched, Alzheimer's disease can have as few as three or as many as seven
stages (some stages may include sub stages), but all agree on a gradual and
progressive loss of brain functions; the global deterioration scale (GDS) is
widely accepted and has seven stages.
Stage 3: symptoms include forgetting new information,
declining work performance, difficulties with future plans and organizational
problems, repeating questions
Stage 4: symptoms include difficulties with complex
actions, can't plan ahead, depression, withdrawn, shun challenging situations
Stage 5: symptom include difficulties remembering home
address or phone number, need assistance for common tasks such as making a meal,
disorientation to time and/or place, a decline in personal hygiene habits
Stage 6: symptoms include requiring assistance in
getting dressed, forgetting names of close family members, personality changes
including paranoia, hallucinations, and delusions, needs assistance with personal
hygiene, may require constant monitoring
Stage 7: the person may not be able to talk or respond rationally, may not be
able to control muscle movements, may not be able to sit upright, and eventually,
some individuals will not be able to swallow food or liquids
Alzheimer's disease is a progressive mental deterioration that can occur in middle-aged individuals, but usually occurs in individuals that are 60 years old or older. The disease is due to generalized deterioration of brain function. Alzheimer's disease is the most common cause of premature senility.
Alzheimer's disease is a common cause of dementia and its associated symptoms.
One of the the main and often the first symptom of Alzheimer's disease is memory problems that develop slowly over time.
Symptoms that develop later include