Blocked Vessels That Supply Your Brain

Carotid Artery Disease in San Angelo for stroke prevention in patients with carotid plaque buildup and cerebrovascular risk

Plaque accumulation inside the carotid arteries creates narrowed channels that reduce blood flow to your brain, increasing the likelihood of stroke when unstable deposits rupture and trigger clot formation or when restricted circulation fails to meet neurological oxygen demands. Most patients develop no symptoms until a transient ischemic attack produces temporary vision loss, slurred speech, or one-sided weakness that resolves within minutes to hours, serving as a warning that complete vessel blockage or plaque rupture may follow. San Angelo Cardiovascular Center of Excellence identifies carotid disease through screening ultrasound that measures plaque volume and flow restriction before stroke occurs, allowing intervention when procedures carry lower risk than waiting for neurological events.


The service involves ultrasound imaging that visualizes plaque inside your carotid arteries and calculates the percentage of vessel diameter that remains open for blood flow. Testing determines whether detected narrowing requires monitoring with repeat imaging, medical management through cholesterol and blood pressure control, or procedural intervention to remove plaque or stabilize the vessel before stroke risk escalates.


Request carotid screening if you manage hypertension, diabetes, or high cholesterol, particularly if you smoke or have family history of stroke.

Testing That Reveals Silent Disease

Carotid ultrasound maps plaque location and composition, distinguishing between stable calcified deposits that grow slowly and soft lipid-rich lesions prone to sudden rupture, while Doppler analysis shows how narrowing affects blood velocity through the vessel—turbulent high-velocity flow indicates significant stenosis even when you feel no symptoms. Advanced imaging may include CT angiography or MR angiography when ultrasound reveals borderline narrowing where treatment decisions depend on precise stenosis measurement and plaque characteristics.


Patients who undergo carotid intervention before stroke notice no dramatic immediate changes since the procedure prevents future events rather than reversing existing symptoms, though some individuals with severe narrowing report improved mental clarity or reduced fatigue once full blood flow returns to brain tissue that had been functioning on marginal circulation. The value appears in what doesn't happen—the stroke that never occurs because unstable plaque was removed or stabilized before rupture.


Risk factors including smoking, uncontrolled hypertension, and diabetes accelerate plaque formation in carotid arteries just as they do throughout your vascular system, making stroke prevention part of comprehensive cardiovascular management rather than an isolated concern. Screening becomes particularly important after age sixty-five or when other vascular disease appears, since carotid narrowing frequently accompanies coronary artery disease and peripheral arterial blockages.

Screening and Prevention Questions


Patients ask about carotid disease detection and stroke risk assessment during cardiovascular evaluations in West Texas communities where vascular screening may occur before symptoms develop.

  • What are the warning signs of carotid disease?

    Most patients experience no symptoms until transient ischemic attack causes sudden vision changes in one eye, difficulty speaking or understanding speech, weakness or numbness affecting one side of your body, or dizziness and loss of balance—episodes that resolve within minutes but signal high stroke risk requiring immediate evaluation.

  • How does carotid ultrasound work?

    A handheld transducer pressed against your neck sends sound waves through tissue and captures the echoes that bounce back from blood cells moving through your carotid arteries, creating images that show vessel wall thickness, plaque deposits, and blood flow patterns without requiring incisions, needles, or radiation exposure.

  • At what point does carotid narrowing require treatment?

    Generally, stenosis exceeding seventy percent of vessel diameter warrants intervention in patients who can tolerate the procedure, while fifty to sixty-nine percent narrowing may require treatment if plaque appears unstable or you've experienced transient ischemic attacks—decisions are individualized based on overall health status and stroke risk factors.

  • Why do some people have carotid disease with no symptoms?

    Your brain receives blood from multiple vessels including vertebral arteries along your spine, so if carotid narrowing develops gradually, collateral circulation often compensates by delivering blood through alternate pathways—symptoms only appear when stenosis becomes severe enough that collateral flow can't meet brain oxygen demands or when plaque ruptures suddenly.

  • Who should have carotid screening?

    Adults over sixty-five, anyone with history of stroke or TIA, patients with known coronary or peripheral artery disease, long-term smokers, and individuals managing diabetes or poorly controlled hypertension benefit from screening since these factors increase carotid plaque formation even before symptoms develop.

San Angelo Cardiovascular Center of Excellence offers carotid ultrasound screening and vascular assessment for patients at elevated stroke risk. Schedule testing if you manage cardiovascular risk factors or have experienced neurological symptoms suggesting compromised blood flow to your brain.

COntact Us

Black outline phone handset icon with signal lines on a white background
Black outline icon of a desk phone with handset, keypad, and small display.
Black outlined clock icon showing 9:00 on a white background
Mon - Thu
-
Friday
-
Sat - Sun
Closed