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Doctor insights on: What Causes An Avm To Develop In The Fetus

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What causes an avm to develop in the fetus?

What causes an avm to develop in the fetus?

Depends: There are a variety of mechanisms that lead to vascular malformations. Some are related to familial predispositions while other are purely sporadic errors in the process of development. ...Read more

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Dr. Jefferson Chen
165 doctors shared insights

Arteriovenous Malformation (Definition)

Is an abnormal connection and proliferation of the connection ...Read more


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What causes a fetus to develop meningocele?

What causes a fetus to develop meningocele?

Meningocele: A meningocele is a congenital defect in the development of the spine in which the structures covering the spine do not develop. This can occur from genetics, from teratogens in the environment, certain medications, lack of folic acid in the diet among other causes. ...Read more

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What can cause fuild to develope in the brain?

What can cause fuild to develope  in the brain?

There are many cause: Fliud on the brain may be the result of a blockage to the outflow of cerebro-spinal fliud as it leaves the ventricles in which case it is refered to as hydrocephalus..Either communicating or non-communicating. Fluid on the brain may also refer to accumulation of fluid out side the surface of the brain in the sub-dural space...Aka: subdural hematoma. ...Read more

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What happens to the brain with an accumulation of vlcfa's?

What happens to the brain with an accumulation of vlcfa's?

Leucodystrophy: Vlcfa stands for very long chain fatty acids. This is the finding in patients with a certain form of leucodystrophy. They may have disorder of adrenal function as well. Usually male and usually progressive. Special labs are available to measure these levels. There are treatments available for some forms. You need to discuss these issues with your doctors. ...Read more

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Does a forceps delivery contribute to brain injury and what are the symptoms?

Does a forceps delivery contribute to brain injury and what are the symptoms?

Forceps brain injury: Usually would not result in br injury, also count in time duration from full dilation to forceps use. Difficulty from forcep delivery add up to total trauma + times suffering low oxygenation. Symptoms would not appear till late if just cognitive weakness, if physical trauma-brain bleed sx would be immediate (reflexes + respiration adequacy + tonus of muscles..). ...Read more

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Can one have an MRI of the plevis if one has a pacemaker? Is there a risk that the leads to the heart could be damaged?

Can one have  an  MRI of  the plevis if one has  a pacemaker? Is there a risk that the leads to the heart could  be damaged?

Depends on pacemaker: Some pacemakers are deemed MRI compatable while others are not. With regards to leads...Since MRI induces strong magnetic fields it was thought this could to heat generation on leads. Talk to your electrophysiologist. Great question. ...Read more

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Can genome sequencing help to reveal the cause of an intellectual disability? How can an 'unknown cause' of it be eventually clarified?

Can genome sequencing help to reveal the cause of an intellectual disability? How can an 'unknown cause' of it be eventually clarified?

Yes: Causes of Intellectual Disability are: Chromosomal-30%, CNS malformations-15%, Congenital syndromes-5%, Metabolic-5%, Acquired-15%, Unknown-25-38%. Genetic testing revealed cause in 50% of these cases. Notably numerous other tests are important to diagnosis as well. Recent advances in cytogenetic & molecular genetic testing will lead to improved diagnosis & lower the % of unknowns in future. ...Read more

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What can cause a hole in the heart to worsen?

What can cause a hole in the heart to worsen?

Heart function: A hole in the heart (septal defect) does not typically worsen. If there is enough flow across the defect for a long enough time, it may lead to cardiac enlargement or heart failure. ...Read more

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What in the brain causes someone to be transgender?

What in the brain causes someone to be transgender?

Great question!: You are correct that there seem to be differences in the brains of transgender vs non-transgender folks. It may be related to hormone exposure early in development, but this is an area where we really don't have an answer yet. We do know, however, that being transgender is not a "lifestyle choice" any more than it is to be cis-gender (non-transgender). LGromkoMD ...Read more

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What in the brain causes someone to be transgender?

What in the brain causes someone to be transgender?

Flip side of coin: We presume hormones, & brain systems regulating them, R responsible 4how bodies develop sex characteristics. But hormones behave in complex ways & their production is affected by genetic makeup + external factors- incl bacterial cultures we carry on us! The systems & factors that make someone identify as transgender vs "cisgender" (body matches gender w/ which they identify) R likely the very same ...Read more

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What causes pelvic vascular congestion with prominent vessels in the periuterine area? What types of symptoms will pelvic vascular congestion cause? And what should be done to treat the condition?

What causes pelvic vascular congestion with prominent vessels in the periuterine area?  What types of symptoms will pelvic vascular congestion cause?  And what should be done to treat the condition?

Pelvic congestion: Pelvic congestion is related to to incompetent valves in the ovarian veins allowing venous reflux causing venous pelvic engorged veins. They can be asymptomatic or cause pelvic aching/pain. When they are symptomatic they can be treated through a minimally invasive procedure by blocking off the veins by an interventional radiologist. ...Read more

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Can you explain the causes and consequences of a stroke, relate to the nervous system and explain what happens there?

Can you explain the causes and consequences of a stroke, relate to the nervous system and explain what happens there?

Simple concepts: Stroke involves blood flow to brain and if blocked, brain tissue dies causing symptoms such as unilateral paralysis, or speech deficit. Causes may include hypertension, smoking, high blood lipids, diabetes, hyperhomocysteinemia, but also, could be secondary to primary cardiac problem. ...Read more

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What is the difference between an aneurysm and an embolism in your head?

What is the difference between an aneurysm and an embolism in your head?

See below: In general, in any location, an aneurysm is a weakness in the wall of the artery resulting in a ballooning or enlargement of that portion of the artery, and not necessarily a blockage of the artery. An embolism would be a blood clot that forms and travels to the inside of a blood vessel causing an internal blockage of the vessel. ...Read more