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1.

Alzheimer disease

Alzheimer disease (AD) is characterized by dementia that typically begins with subtle and poorly recognized failure of memory and slowly becomes more severe and, eventually, incapacitating. Other common findings include confusion, poor judgment, language disturbance, agitation, withdrawal, and hallucinations. Occasionally, seizures, Parkinsonian features, increased muscle tone, myoclonus, incontinence, and mutism occur. Death usually results from general inanition, malnutrition, and pneumonia. The typical clinical duration of the disease is eight to ten years, with a range from one to 25 years. Approximately 25% of all AD is familial (i.e., =2 persons in a family have AD) of which approximately 95% is late onset (age >60-65 years) and 5% is early onset (age <65 years). [from GTR]

MedGen UID:
1853
Concept ID:
C0002395
Disease or Syndrome
2.

Alzheimer disease

A degenerative disease of the brain characterized by the insidious onset of dementia. Impairment of memory, judgment, attention span, and problem solving skills are followed by severe apraxia and a global loss of cognitive abilities. The condition primarily occurs after age 60, and is marked pathologically by severe cortical atrophy and the triad of senile plaques, neurofibrillary tangles, and neuropil threads. [from HPO]

MedGen UID:
505259
Concept ID:
CN002282
Finding
3.

Mild cognitive disorder

Some forgetfulness can be a normal part of aging. However, some people have more memory problems than other people their age. This condition is called mild cognitive impairment, or MCI. People with MCI can take care of themselves and do their normal activities. MCI memory problems may include. -Losing things often. -Forgetting to go to events and appointments. -Having more trouble coming up with words than other people of the same age. Memory problems can also have other causes, including certain medicines and diseases that affect the blood vessels that supply the brain. Some of the problems brought on by these conditions can be managed or reversed. Your health care provider can do thinking, memory, and language tests to see if you have MCI. You may also need to see a specialist for more tests. Because MCI may be an early sign of Alzheimer's disease, it's really important to see your health care provider every 6 to 12 months. At this time, there is no proven drug treatment for MCI. Your health care provider can check to see if you have any changes in your memory or thinking skills over time. NIH: National Institute on Aging.  [from MedlinePlus]

MedGen UID:
220863
Concept ID:
C1270972
Mental or Behavioral Dysfunction
4.

Atrophy

Any weakening or degeneration, especially through lack of use. [from NCI]

MedGen UID:
83084
Concept ID:
C0333641
Pathologic Function
5.

Diagnosis

The determination of the nature of a disease or condition, or the distinguishing of one disease or condition from another. Assessment may be made through physical examination, laboratory tests, or the likes. Computerized programs may be used to enhance the decision-making process. [from MeSH]

MedGen UID:
8354
Concept ID:
C0011900
Finding
6.

Resonance

MedGen UID:
534094
Concept ID:
C0231881
Finding
7.

Abnormality

A condition that differs from the usual physical or mental state. [from NCI]

MedGen UID:
309940
Concept ID:
C1704258
Finding
8.

Mild

Having a relatively minor degree of severity. For quantitative traits, a deviation of between two and three standard deviations from the appropriate population mean. [from HPO]

MedGen UID:
268697
Concept ID:
C1513302
Finding
9.

Impairment

MedGen UID:
151925
Concept ID:
C0684336
Pathologic Function
10.

Cognitive impairment

Abnormality in the process of thought including the ability to process information. [from HPO]

MedGen UID:
151917
Concept ID:
C0683322
Mental or Behavioral Dysfunction
11.

Cognitive impairment

A notable change in cognitive function. [from NCI]

MedGen UID:
90932
Concept ID:
C0338656
Mental or Behavioral Dysfunction
12.

Examined for

Having been subjected to inspection or evaluation. [from NCI]

MedGen UID:
83047
Concept ID:
C0332128
Finding
13.

Abnormal

Deviating in any way from the state, position, structure, condition, behavior, or rule which is considered a norm. [from NCI]

MedGen UID:
59964
Concept ID:
C0205161
Finding
14.

Neurodegeneration

Loss of functional activity and trophic degeneration of nerve axons and their terminal arborizations following the destruction of their cells of origin or interruption of their continuity with these cells. The pathology is characteristic of neurodegenerative diseases. Often the process of nerve degeneration is studied in research on neuroanatomical localization and correlation of the neurophysiology of neural pathways. [from MeSH]

MedGen UID:
17999
Concept ID:
C0027746
Cell or Molecular Dysfunction
15.

Neurocognitive disorder

A disorder characterised by a decline primarily in intellectual function due to disease of the brain caused by a variety of acquired conditions such as cerebrovascular disease, Alzheimer's disease, infections, adverse drug reactions and trauma. [from SNOMEDCT_US]

MedGen UID:
873945
Concept ID:
C4041080
Mental or Behavioral Dysfunction
16.

Disease Attributes

Clinical characteristics of disease or illness. [from MeSH]

MedGen UID:
199876
Concept ID:
C0752357
Disease or Syndrome
17.

Tauopathy

Neurodegenerative disorders involving deposition of abnormal tau protein isoforms (TAU PROTEINS) in neurons and glial cells in the brain. Pathological aggregations of tau proteins are associated with mutation of the tau gene on chromosome 17 in patients with ALZHEIMER DISEASE; DEMENTIA; PARKINSONIAN DISORDERS; progressive supranuclear palsy (SUPRANUCLEAR PALSY, PROGRESSIVE); and corticobasal degeneration. [from MeSH]

MedGen UID:
181880
Concept ID:
C0949664
Disease or Syndrome
18.

Pathological Conditions, Anatomical

An abnormal structural condition of the human body, usually macroscopic, that is common to a variety of different diseases. [from MeSH]

MedGen UID:
155708
Concept ID:
C0752135
Pathologic Function
19.

Diagnosis, Psychiatric

MedGen UID:
138165
Concept ID:
C0376338
Mental or Behavioral Dysfunction
20.

Genetic predisposition

A latent susceptibility to disease at the genetic level, which may be activated under certain conditions. [from MeSH]

MedGen UID:
137259
Concept ID:
C0314657
Organism Attribute
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