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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. ...Read more
Seizure is also known as Generalized seizures in adults. A seizure is a symptom in which a person has a convulsion or epileptic attack, usually involving jerking movements of the head, limbs, and rest of the body. It represents abnormal brain function, and can be caused by fever (mainly in young children), by brain infections or tumors, by drug abuse or overdoses, by chemical ...Read more
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?
I have an avm over my primary and secondary motor cortex focal seizures to right upper extremities didn't show on EEG . Why not?
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. ...Read more
Depends on location: Avms may present with a bleed, which may be manifest as a headache or alteration in level of consciousness. Patients may also present with a seizure. This is from the ischemia to the surrounding brain as most of the blood to the area is going to the avm rather than the brain. Focal motor deficits may occur if the avm causes adjacent brain (motor area) to suffer from a shunting of blood to the avm. ...Read moreSee 1 more doctor answer
Congenital: Cerebral avms are a "tangle" of arteries and veins that a person is born with. These can present with associated neurologic symptoms (weakness) or seizures. There is about a 3% risk of bleeding per year that is cumulative. Treatment can be multimodality and includes embolization, surgery and radiation. The risks of treatment depend on size and location of the avm. ...Read more
If i had AVM since i was born? would i have symptoms by now? wouldn't it have gotten bigger and cause headaches?
Complex question: Surgery for AVM often depends on location, compression, prior bleeding or seizures, and risk of future strokes or hemorrhage. Some AVM's do affect memory circuits, and successful treatment may effect improvement. Best to do pre-operative neuro-psych testing, and assess current effects. ...Read more
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. ...Read more
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). ...Read more
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