Top
20
Doctor insights on: Penumbra Vs Amnesia

Share
1

1
What is the difference between the terms infarction, ischaemia and penumbra?

What is the difference between the terms infarction, ischaemia and penumbra?

Extent of cell death: Infarction - dead tissue. It will never come back, it is weak and can rip. Overtime it is replaced by a scar. Ischemia - tissues are starving for more blood flow, they are viable and functional. Can progress to infarction, but may stay ischemic very long time. Penumbra - zone of tissue in "twighlight" around dead zone. At risk of turning dead too, but also at risk for swelling with improved flow. ...Read more

Dr. Bennett Machanic
382 doctors shared insights

Memory Loss (Definition)

There can be short term memory loss such as "where did I put my keys?" or long term memory loss such as "where did I live as a child?" There also can be catastrophic memory loss such ...Read more


Dr. Alan Ali Dr. Ali
1 doctor agreed:
2

2
What is full amnesia?

Dr. Alan Ali Dr. Ali
1 doctor agreed:
What is full amnesia?

Amnesia: Amnesia can be Retrograde (past memories), Anterograde (newly acquired memories) or Global. Causes are many & include dementia, alcohol use, stress, seizures, etc. ...Read more

3

3
What are the tests for amnesia?

What are the tests for amnesia?

I forgot: Seriously, it depends on age and other factors, may include blood tests, ct scan, MRI and drug screens as well as a good neuro exam. ...Read more

7

7
What causes amnesia? Is there a cure?

What causes amnesia? Is there a cure?

Trauma: amnesia is usually caused by a severe blow to the head or by a significant emotional trauma. The cure would depend on the cause. ...Read more

8

8
What are the different types of amnesia?

I do not remember: Amnesia is a lose of memory. For some events such as trauma, infection, or emotional crisis there can be antegrade amnesia where memory before the event is lost. There can be retrograde amnesia where memory after the event is lost. Or both can occur. Agnosias may occur where just very select things may not be able to be remembered. Famous of these is prosopagnosia - unable to remember faces. ...Read more

10

10
Is there such thing as an amnesia/dissociative attack?

Yes: Transient global amnesia is a phenomenon of not being able to make new memories for a short period of time. It usually happens in older people. Dissociative fugue is a state in which somebody's behavior changes and they are unaware of this event. It's usually seen in the context of another psychiatric condition. ...Read more

11

11
Is amnesia after drinking normal?

No: Amnesia, or blackouts, after drinking is a sign of drinking to excess and is a worrisome sign that you have a problem with alcohol. You should discuss with your family doctor or a local aa chapter. ...Read more

12

12
Is it possible to induce amnesia?

Yes, but: It is possible to induce amnesia due to the effects of certain drugs that dull the consciousness, and during an alcoholic blackout, but doing so is quite dangerous and is never specific. In other words, one cannot induce amnesia for a specific event permanently, but may be able to do so temporarily with a hypnotic suggestion. Otherwise, amnesia is random in its impact anterograde and retrograde ...Read more

13

13
Can transient global amnesia be cured?

TGA: Transient global amnesia (tga) has no known specific cause and no specific treatment. That's the bad news. The good news is that it almost always goes away by itself in 1 to 3 days and is unlikely ever to come back. ...Read more

14

14
Is dissociative amnesia a real problem?

Absolutely: It is the most complex of all of the psychiatric disorders to treat from a medication and psychotherapy perspective. Research articles have documented this problem from the us to europe, scandinavia, russia, and i went to both russia and china to talk to their psychiatrists who see it as well. A great deal of research has come out of the netherlands, and more info is now coming out of germany. ...Read more

See 1 more doctor answer
15

15
What causes a transient global amnesia?

TGA: It is involvement of the temporal lobe in a migraine process ---or other process during which you cannot remember recent events. ...Read more

16

16
Could a traumatic event leaddto amnesia?

Yes, brain trauma: Trauma to the brain may lead to retrograde (prior to the event) or anterograde (after the event) amnesia. ...Read more

17

17
Can surgery cause you to develop amnesia?

Short term, yes.: Amnesia is usually a desirable component of anesthesia, and short term (less than 24 hours) amnesia with cognitive dysfunction (abnormal thinking) is common after general anesthesia. However, uncomplicated anesthesia and surgery does not cause long term amnesia. In other words, if you do not have any complications during anesthesia or surgery, there should be no long term amnesia. Dr. Mike. ...Read more

See 2 more doctor answers
19

19
Is amnesia common after waking up from coma?

Is amnesia common after waking up from coma?

Possibly: It depends on what the reason for the coma is. You wont have any memory of the coma itself, but depending on if you had a head injury or if any part of your brain was affected, then you could have various forms of amnesia. ...Read more

See 1 more doctor answer
20

20
What can one do to address retrograde amnesia?

Just let it go: Amnesia is the loss of memory concerning an event. If there is loss of memory for a period of time before the event, it is called antegrade amnesia. If there is loss of memory for a period after the event, it is called retrograde amnesia. There may be some recovery of memory over time, but often there is permanent loss of memory, especially retrograde. This can be a protective effect. ...Read more

Dr. Paul Gilson
404 doctors shared insights

Amnesia (Definition)

Amnesia is forgetfulness, which can be ...Read more