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Doctor insights on: Posterior Cerebral Artery Stroke Symptoms

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Can you please define fetal origin of the right posterior cerebral artery?

Can you please define fetal origin of the right posterior cerebral artery?

See below: The posterior cerebral artery has its origin from the right carotid artery instead of from the basilar artery. This is a common anatomic variation that can occur in up to 30% of the population. ...Read more

Dr. Tiffanie Noonan
1 Doctor shared a insight

Artery (Definition)

Arteries are defined as blood vessels which carry blood away from the heart (to either the body or lungs). Arteries: higher pressure, thicker walls, stretch (pulse) with each heart contraction & deliver blood to the arterioles which control the flow to individual capillaries. Veins are blood vessels which carry blood from capillaries back to the heart (body to right heart; ...Read more


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In a recent exam my mom discovered that, she don't have the posterior cerebral artery. Is this normal?

In a recent exam my mom discovered that, she don't have the posterior cerebral artery. Is this normal?

There are 2.: Normally there are 2 posterior cerebral arteries. If one or both are missing it is abnormal. ...Read more

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What does "minimal ectasia versus tiny aneurysm of the P1 segment of the left posterior cerebral artery" mean??

What does "minimal ectasia versus tiny aneurysm of the P1 segment of the left posterior cerebral artery" mean??

Artery wider there: Slight widening of the cerebral artery compared to the majority of the artery. No need for concern but needs to be followed by serial scans. Suggest MRI because of less (0) radiation over the years ...Read more

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What does it mean when "minimal ectasia versus tiny aneurysm of the P1 segment of the left posterior cerebral artery? "

What does it mean when "minimal ectasia versus tiny aneurysm of the P1 segment of the left posterior cerebral artery? "

Abnormality: The wording suggests that one if the blood vessels that supplies the posterior part of your brain is dilated. This could be from weakening of the walls of the vessel most likely from a congenital problem in the young and atherosclerosis in the elderly. ...Read more

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Who is the best doctor in the country to treat severe stenosis in the distal p2 segment of the right posterior cerebral artery?

Hard to answer: The first thing to answer is whether you need treatment for it. If so, you are looking at an interventional neuroradiologist who would potentially treat the narrowing with ballon angioplasty. This is not a procedure without risk! ...Read more

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Migraine history MRA/MRI results: right A1 anterior cerebral artery is hypoplastic. Right P1 posterior cerebral artery is markedly hypoplastic. Low lying cerebellar tonsils, no chiari. Borderline high riding left jugular bulb. What's the significance?

Migraine history MRA/MRI results: right A1 anterior cerebral artery is hypoplastic. Right P1 posterior cerebral artery is markedly hypoplastic. Low lying cerebellar tonsils, no chiari. Borderline high riding left jugular bulb. What's the significance?

How it is: The description you provided describes the anatomy seen on the MRA/MRI
The significance needs to be correlated with your clinical exam and findings.
Without more information difficult to say much more. Consult your ordering physician for complete diagnosis. ...Read more

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What does left anterior cerebral artery (a1)hypoplasia on head mra report means? For above is there high risk for ischemic or hemorrhaging stroke (s)?

What does left anterior cerebral artery (a1)hypoplasia on head mra report means? For above is there high risk for ischemic or hemorrhaging stroke (s)?

Normal: It is a common normal variant that doesn't carry risk of stroke. We all have some asymmetry in blood vessels and hypoplasia simply means that blood vessel is smaller than it's counterpart on the other side. ...Read more

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Stroke team at hospital evaluated. All tests were negative. Classic stroke symptoms. Current neuro "fishing" with EMG for arm. My concern is brain da?

Stroke team at hospital evaluated. All tests were negative. Classic stroke symptoms. Current neuro "fishing" with EMG for arm. My concern is brain da?

Unlikely damage: Hard to say what occurred based upon your description, but unlikely permanent brain issues if your studies were negative. Cannot advise re EMG, as do not have full details. One alternative thought might involve an atypical migraine event, and this could be explored. You seem unsure about your doctors, might a second opinion or a Concierge visit here help? ...Read more

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Had a lot of head CTs (7-8) & CTAs (2) due to TIA / stroke symptoms over the years and injuries associated to illness. Scared of brain cancer.

Had a lot of head CTs (7-8) & CTAs (2) due to TIA / stroke symptoms over the years and injuries associated to illness. Scared of brain cancer.

Induced Ca unlikely: I worry more about history of "TIA/stroke" and "injury" in a 38 yo.
Radiation risk for the listed studies is well under 1 in 500 or so and "brain cancer" is even less likely.
MRI is a great test for the brain and vessels as there is no ionizing radiation, BUT you must be able to have the test. For example no metal shavings in your eye from an injury and no unstable implanted ferrous metal. ...Read more

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If stroke like symptoms were caused by cervical artery dissection, would this show up in MRV and MRI of brain. Or only a scan of neck?

If stroke like symptoms were caused by cervical artery dissection, would this show up in MRV and MRI of brain. Or only a scan of neck?

Depends on timing: A CT or MRI can detect changes of edema (fluid) due to cell death within the brain. Often by the time these changes are seen, it is late in the process. Also this would tell us the arterial territory involved, but not that it is a result of dissection. Emboli or thrombus of an artery are more common causes of stroke. A carotid dissection is less common, though more common in vertebral artery. ...Read more

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Do you know anything about cerebral vascular accident and middle cerebral artery (mca)?

Do you know anything about cerebral vascular accident and middle cerebral artery (mca)?

Stroke: The middle cerebral artery is the largest intracranial branch of the carotid artery. Complete occlusion of the MCA can result in a devastating stroke. ...Read more

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What is cerebral artery occlusion?

Clot: It is when something blocks blood flow through one of the cerebral arteries or their branches; often, this is a clot, and can result in a stroke. ...Read more

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Right middle cerebral artery vascular accident death, is this heredtary?

Hmmmm...: The propensity to have a stroke can be genetic. The specific arterial occlusion, not necessarily. But, high colesterol, high blood pressure and family history of stroke put you in a higher risk catagory. If you smoke you increase your risk exponentially. Lifestyle modification can be key. If on the otherhand you are talking about aneurysms--that could very well be linked. ...Read more

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" hypoplasia of the left anterior cerebral artery a1 segment is noted. Impression: normal mra of the circle of willis." what does above hypoplasia mea

Unusually small: That finding means that one of the arterial branches in your brain didn't develop fully. Not to worry though because if the report is'normal' that brain territory is getting blood from elsewhere. Many people have hypoplasia of a segmental artery which is usually inconsequential. ...Read more

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I had TIAs 5 days ago. The CT scan showed that I had complete occlusion of the origin of the anterior cerebral artery. What are my options?

I had TIAs 5 days ago. The CT scan showed that I had complete occlusion of the origin of the anterior cerebral artery. What are my options?

Prevention: 1. Have your doctor check for numerous risk factors such as hypertension, hyperlipemia, diabetes, inflammation or arteries, hyperhomocysteinemia, cardiac disease, carotid stenosis, chance of emboli from distant source. In general if no emboli would use combination of Aggrenox and a statin for prevention. ...Read more

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Vas surg said blocked subclavian L artery. No bp, & barely a pulse. 1 of 4 arteries to brain has reversed flow to try to get blood to L arm? Stroke?

Vas surg said blocked subclavian L artery. No bp, & barely a pulse. 1 of 4 arteries to brain has reversed flow to try to get blood to L arm? Stroke?

Complicated scenario: Subclavian stenosis & coarctation of the aorta can cause this scenario. You may've been born with a condition & it just progressed. In any case, the situation's VERY complex. There's not enough space here to establish your history, go over ALL of your questions/concerns, & figure out a treatment plan that will reduce complications in the future. You're best off using HealthTap Prime. Good Luck! ...Read more

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Diplopia, squeezing band of pressure in head, absent L posterior inferior cerebral artery. Chol/hdl calc 6.7. FH mutation. Could this cause stroke/tia?

Diplopia, squeezing band of pressure in head, absent L posterior inferior cerebral artery. Chol/hdl calc 6.7. FH mutation. Could this cause stroke/tia?

No: Minor anatomic variants of the arteries in the back part of the brain are no big deal. Sorry for misunderstanding -- I'm glad your FH / familial hypercholesterolemia was detected & can be managed. Without other findings, band and diplopia are unlikely to be serious ischemic disease, but are classic "functional". You're right to be concerned as such headaches, even if not "stroke", can disable. ...Read more

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Carotid artery surgery and lack of blood supply to the brain. Could that cause stroke effects?

Carotid artery surgery and lack of blood supply to the brain. Could that cause stroke effects?

Yes. Call Now!: Patients who have had carotid artery surgery definitely have a risk of stroke. The highest risk of stroke is during and immediately after the procedure and is generally quoted at about 2%. If you are experiencing any signs of stroke and have had recent carotid surgery call your surgeon immediately or go to the emergency room. Difficulty speaking or weakness on one side of the body would be the most common complaints. ...Read more

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Can carotid surgery reverse stroke symptoms or not?

Can carotid surgery reverse stroke symptoms or not?

No: Carotid surgery is performed to prevent a major stroke. It does not reverse any brain injury from a previous stroke. In theory it should help with recovery from a stoke by improving circulation. ...Read more

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Can someone take aspirin when having stroke symptoms?

Can someone take aspirin when having stroke symptoms?

Yes: But am not really impressed with aspirin potency in preventing a stroke, as clopidigrel and Aggrenox seem more effective. ...Read more

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Stroke symptoms, numbness of the left side of the arm?

Stroke symptoms, numbness of the left side of the arm?

This could be stroke: Or it could be from other causes of left arm numbness. Is there weakness? Is there increased reflexes. If you think you have a stroke you should see a doctor as soon as possible. An MRI done with diffusion weighted imaging can tell if you have a stroke. Ask your doctor fi this could help you. ...Read more

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Would you recommend to take aspirin when someone is having stroke symptoms?

Would you recommend to take aspirin when someone is having stroke symptoms?

See below: If there is no significant facial droop, I would try swallowing an Aspirin with the smallest amount of liquid needed. If you are having trouble swallowing the tablet, place it under your tongue. Aspirin is quite bitter! Many stroke victims, especially those with facial droop have difficulty swallowing. In our ed we give our patient's a rectal suppository of aspirin, I wouldn't expect you to have it. ...Read more

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I'm 16 and afraid of having a stroke. Also have anxiety which mimics stroke symptoms. I have normal BP and cholesteral?

I'm 16 and afraid of having a stroke. Also have anxiety which mimics stroke symptoms. I have normal BP and cholesteral?

Get seen: Their is help for the kind of anxiety you are feeling. Let your parent or guardian know. Get a full physical work up and ask for a referral to see a therapist. There is no shame whatsoever in asking for psychological help at your age. It can make all the difference for a healthy productive life. Good luck and best wishes. ...Read more