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Doctor insights on: External Carotid Artery Anatomy

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Is 700/0 carotid artery narrowing a TIA symtom?

Is 700/0 carotid artery narrowing a TIA symtom?

Not clear: Your question is not clear. Please reframe the question to get correct answer. ...Read more

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Dr. James Ferguson
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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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MRI vertebrobasilar hypoplasia right side theres robust flow void anastomosing the basilar artery w cavernous portion of internal carotid artery/mean?

MRI vertebrobasilar hypoplasia right side theres robust flow void anastomosing the basilar artery w cavernous portion of internal carotid artery/mean?

Normal variant: The arteries at the base of the brain can course in several different patterns but ultimately get the job done, that is, supply brain tissue. Your pattern is like your fingerprint. Some more unusual patterns have an increased association with aneurysms, but this would have likely been described if present and vertebro basilar hypoplasia, as in the picture, is pretty common. ...Read more

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Could competitive flow reduce internal thoracic artery graft patency?

Could competitive flow reduce internal thoracic artery graft patency?

Absolutely: It can happen. If the vessel that is bypassed has significant flow, the mammary artery can fail. ...Read more

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What causes carotid artery stenosis?

What causes carotid artery stenosis?

Atherosclerosis: Usually it is the result of the build up of atherosclerotic plaques over time due to the buildup of cholesterol. ...Read more

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Normal Carotid Doppler Studies.1- Right ICA encircling the Internal carotic artery. 2- Complex mass in the right thyroid lobe. History Neck cancer.

Normal Carotid Doppler Studies.1- Right ICA encircling the Internal carotic artery. 2- Complex mass in the right thyroid lobe. History Neck cancer.

Thyroid ultrasound: You need a neck ultrasound to fully evaluate the thyroid. Possibly will need a fine needle biopsy if the complex mass is big enough. The first thing is to fully evaluate the neck with an ultrasound. ...Read more

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Arteriosclerotic internal carotid & vertebro basilar arteries predominantly the left vertebrobasilar segment appearing tortuous with slight prominence?

Arteriosclerotic internal carotid & vertebro basilar arteries predominantly the left vertebrobasilar segment appearing tortuous with slight prominence?

Vertrebrobasilar: Were you started on full anticoagulation (warfarin/coumadin)? If so the bleeding gums could be secondary to therapy. The vertebrobasilar arterial blockage cannot be repaired surgically.You might be experiencing: dizziness, loss of balance, and incoordination. ...Read more

Dr. Timothy Wu Dr. Wu
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Carotid mra vs carotid doppler ultrasound better predictor?

Dr. Timothy Wu Dr. Wu
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Carotid mra vs carotid doppler ultrasound better predictor?

Doppler Ultrasound: Ultrasound has proven to be cost-effective and quite accurate in determining the degree of narrowing in the carotid artery. Many vascular surgeons, including myself, solely rely on it to decide whether someone needs an operation. Mra is not so good and over-estimates the actual degree of narrowing. I would not rely on its findings to decide on operating. As mentioned a cta is much better. ...Read more

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Anyone done a carotid arteriogram and stenting after carotid artery surgery?

Anyone done a carotid arteriogram and stenting after carotid artery surgery?

Yes: Usually for re-stenosis most surgeon will perform stenting if indicated instead of redo surgery although no true benefit of stenting over surgery in these cases. In acute sitting , yes stenting is being done to repair a post carotid surgery flap or dissection. ...Read more

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Who gets carotid artery stenosis?

Elderly Hypertensive: Carotid stenosis usually occurs secondary to longstanding atherosclerosis. Risk factors include high blood pressure, diabetes, and coronary artery disease. It takes time for atherosclerotic plaques to develop, so most patients with carotid artery stenosis are older adults. ...Read more

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What is carotid artery stenosis and stroke?

What is carotid artery stenosis and stroke?

2 things: Carotid artery stenosis means narrowing of the artery. Stroke is death or damage to brain due to circulatory issues. Many strokes (approx 1/3rd) are due to carotid artery disease. Although frequently connected, they are not the same. Many strokes occur without carotid stenosis. Many carotids are completely occluded (slowly) without resultant strokes. ...Read more

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What's a coronary artery bypass?

What's a coronary artery bypass?

Surgical operation: This operation uses arteries and veins as bypass grafts to bring blood into the coronary arteries beyond blockages and keep the heart muscle well supplied with blood. ...Read more

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What do the perforating branches of internal mammary artery mainly supply?

What do the perforating branches of internal mammary artery mainly supply?

Chest wall: The ima [internal thoracic artery or internal mammary artery] branches supply the chest wall structures including the ribs, muscles, breasts continueing and perforating superfically to supply the abdominal wall structures as the superior epigastric artery. ...Read more

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Is surgery for blocked carotid artery dangerous?

Is surgery for blocked carotid artery dangerous?

Carotid surgery: Carotid surgery should be done when risk of not doing so higher. Stroke risk lowest for asymptomatic stenosis, higher in those with TIAs and yet higher with prior stroke. Risk of MI can be higher than stroke risk. Slight risk of bleeding, real but low risk cranial nerve injury, low risk of surgically significant carotid renarrowing. Generally stroke risk lower for surgery, MI risk lower for stent. ...Read more

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What's a traditional coronary artery bypass?

Tradional CABG: A traditional cabg, involves using the heart-lung machine to sustain circulation while the heart is stopped so it can be operated on. Saphenous vein and an artery from the inside of the chest wall (lima) are used to bypass the blocked part of the coronary arteries. When the bypass grafts are completed, the heart will naturally start beating again. ...Read more

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What cavernous carotid artery flow void on my MRI mean?

What cavernous carotid artery flow void on my MRI mean?

Need CT angiogram: Flow void on MRI means that in flow is not seen with MRI technique this could be artefact. Ct angiogram or angiogram can help to make sure that artery is ok. ...Read more

Carotid Arteries (Definition)

The carotid arteries start in the chest and progress up the sides of the neck. About mid neck they split and one branch supplies blood to the face the, the other continues without branches into the skull and supplies ...Read more


Dr. Rodeen Rahbar
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Anatomy (Definition)

Anatomy is the study of the human body, ...Read more