Definition???
Memory loss is defined as a loss of memory resulting from brain damage (disease or trauma) or severe emotional trauma.
Common causes???
Aging, Alzheimer’s disease, Neurodegenerative illness, Head trauma or injury , Hysteria often accompanied by confusion , Seizures ,General anesthetics such as halothane, isoflurane, and fentanyl , Alcoholism , Stroke or transient ischemic attack (TIA)
- Transient global amnesia, Drugs such as barbiturates or benzodiazepines
- Electro convulsive therapy (especially if prolonged), Temporal lobe brain surgery
What to expect???
The medical history will be obtained and a physical examination performed.
The medical history may need to be obtained by asking questions of the family and friends. Medical history questions documenting memory loss in detail may include: Amnesia
- Type
- Can the person remember recent events (is there impaired short-term memory)?
- Can the person remember events from further in the past (is there impaired long-term memory)?
- Is there a loss of memory about events that occurred prior to a specific experience (anterograde amnesia)?
- Is there a loss of memory about events that occurred soon after a specific experience (retrograde amnesia)?
- Time pattern
- Has the memory loss been getting worse over years?
- Has the memory loss been developing over weeks or months?
- Is the memory loss present all the time or are there distinct episodes of amnesia?
- If there are amnesia episodes, how long do they last?
- Aggravating or triggering factors
- Has there been a head injury in the recent past?
- Has the person experienced an event that was emotionally traumatic?
- Has there been a surgery or procedure requiring a general anesthetic?
- Does the person use alcohol? How much?
- Does the person use illegal/illicit drugs? How much? What type?
Physical examination may include a detailed neurological examination. Recent, intermediate, and long-term memory will be tested.
Diagnostic tests that may be performed include:
- Cerebral angiography
- CT scan or MRI of the head
- EEG
- Blood tests (for specific diseases that are suspected)
- Psychometric tests (cognitive tests)
- Lumbar puncture