Question 1

i have had unexplained seizures for years. could an avm account for this?

Accepted Answer

Possibly: There are many causes for seizure and avm's are only one of these.  Approximately 30% of patients with avm's present with seizures.  It's not one of the more common causes.
You should see your local neurologist for workup and evaluation.  If that leaves you at a dead end, seek out an epileptologist- a seizure disorder specialist in neurology who can help you.

Question 2

i had a brain avm removed 11 years ago & now have encephalomalacia which has seemed to get bigger over the years and causes seizures, is that normal?

Accepted Answer

Not uncommon: AVM can cause focal seizures and secondarily generalized seizures. Sometimes seizures occur years after surgery. Often seizures are well controlled with a single anticonvulsant

Question 3

i have an avm over my primary and secondary motor cortex focal seizures to right upper extremities didn't show on eeg . why not?

Accepted Answer

Negative EEG: The eeg is often normal in people with focal seizures, especially if the seizure occurs without loss of consciousness. This is because a seizure has to involve a minimum area of cortex for it to be seen on the surface of the scalp. The signal is attenuated through bone and scalp. Also, a seizure focus can occur deep inside or be oriented parallel to the scalp and not be seen on eeg.

Question 4

how is an avm diagnosed?

Accepted Answer

During endoscopy: Avm, or arterio-venous malformations, are found in the GI tract, and can be diagnosed with colonoscopy or upper endoscopy.

Question 5

how do you locate an avm?

Accepted Answer

Radiology: Ct angiogram
cerebral angiography
mri
mr angiography
these are all used to locate avm's.

Question 6

what is spinal avm?

Accepted Answer

Complex Question: A spinal avm is a complex tangle of arteries and veins that occurs within the spinal cord.  It can be asymptomatic, or can cause neurologic deficits, rarely it can bleed and cause additional problems.

Question 7

what is the treatment for avm?

Accepted Answer

It depends: Avm is arterial venous malformation.  I assume you are concerned about this in the brain.  Large ones near the surface can be treated by direct removal.  Directed emboli can close off feeders.  Directed radiation can shrink some.  Deep lying types often need to be left alone.  Genetic types can be multiple including in the kidneys.  In children they can cause heart failure and seizures.

Question 8

what is the best treatment for an avm patient?

Accepted Answer

Complicated: For a brain avm, there are three techniques available, which are all complementary: surgery, radiosurgery and embolization.  Talk to your neurosurgeon about it.

Question 9

could you explain what is an arteriovenous malformation (avm)?

Accepted Answer

Brain Blood Vessels: In the brain , an avm is typically a twisted tangle of blood vessels where is an abnormal connection between arteries and veins.  These can also be present in other parts of the body.   Brain avm's carry a risk of bleeding if left untreated.  They can also become symptomatic due to seizures and steal phenomenon (altered blood flow).

Question 10

what is an arteriovenous malformation (avm), and is it hereditary?

Accepted Answer

Can be: Arteriovenous malformation or avm is an abnormal connection between veins and arteries, usually congenital.  Sometimes it is hereditary.

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Doctor answers about:

Avm seizure

A member asked:

I have had unexplained seizures for years. could an avm account for this?

A member asked:

I had a brain avm removed 11 years ago & now have encephalomalacia which has seemed to get bigger over the years and causes seizures, is that normal?

A member asked:

I have an avm over my primary and secondary motor cortex focal seizures to right upper extremities didn't show on eeg . why not?

A member asked:

How is an avm diagnosed?

A member asked:

How do you locate an avm?

A member asked:

What is spinal avm?

A member asked:

What is the treatment for avm?

A member asked:

What is the best treatment for an avm patient?

A member asked:

Could you explain what is an arteriovenous malformation (avm)?

A member asked:

What is an arteriovenous malformation (avm), and is it hereditary?

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