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Doctor insights on: Fluorescein Angiogram

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Whats safer: coronary angiogram or CT angiogram?

Whats safer: coronary angiogram or CT angiogram?

Ct vs cath: In simplest terms the ct angiogram would be safer than a coronary angiogram, however, they are usually used in different circumstances. The ct angiogram is useful as a screening tool to see if coronary disease is present. A cardiac catheterization is performed when a patient has an acute coronary syndrome or a myocardial infarction to evaluate coronary disease, or even treated. ...Read more

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Dr. Hirenkumar Italia
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Angiogram (Definition)

An angiogram is a picture of the inside of ones blood vessel (vein or artery) created by injecting a clear liquid (radiopaque dye) which appears to be white (or ...Read more


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What's safer: coronary angiogram or CT angiogram?

What's safer: coronary angiogram or CT angiogram?

Both safe: Both also have risks such as radiation and contrast usage. Coronary arteriography has small bleeding risk at puncture site. Need to get the right test for your problem. Coronary arteriography is the gold standard. ...Read more

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Could computed tomography angiography show heart problems?

Could computed tomography angiography show heart problems?

CTA: Cardiac computed tomographic angiograpy is performed to try and diagnose cardiac anatomy and pathology. It doesn't diagnose everything but can provide very useful information that often yield a diagnosis if the study is ordered appropriately. ...Read more

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Is coronary CT angiogram more reliable than invasive coronary angiogram?

Is coronary CT angiogram more reliable than invasive coronary angiogram?

No : Each of these tests has its advantages and disadvantages. But coronary angiogram (cardiac cath) is still the most reliable way to look at coronary arteries. ...Read more

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Is computed tomography angiogram cta a very common procedure?

Is computed tomography angiogram cta a very common procedure?

CT angiogram: It is being done much more often when it is necessary to visualize blood vessels (for example to see if there's a blockage). There is some radiation involved but it is considered much less "invasive" and has less complications than the regular type of "angiogram", where blood vessels are visualized by inserting thin tubes called catheters directly into them to inject a dye. ...Read more

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What’s CT angiography?

What’s CT angiography?

Specially : Timed ct scan to evaluate arteries of the body part imaged. See radiologyinfo.Org. ...Read more

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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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What is radionuclide angiography?

What is radionuclide angiography?

Dye study of heart: This is a study in which dye is shot into your vessels and images captured to determine the efficiency of chambers and valves. The test may be done at rest or with exercise / stress. ...Read more

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What is a computered tomography angiography?

What is a computered tomography angiography?

CTA: It is an intravenous contrast-enhanced CT scan with technical parameters that optimize detailed visualization of the arterial system. 3D and multiplanar data reconstructions can produce images that look similar to standard catheter angiography. From a patient's point of view, the scanning experience won't be much different from getting a standard CT scan with contrast. ...Read more

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Carotid doppler showed 50% bilateral blockage, mr angiogram was negative. Which is more accurate?

Carotid doppler showed 50% bilateral blockage, mr angiogram was negative. Which is more accurate?

Debatable: Few vascular surgeons make decisions on carotid artery stenosis based on mr, as carotid doppler (ultrasound) has been proven to be very reliable when a good technologist performs the study. From what you're describing, your carotid arteries are likely without disease as the reporting standards for ultrasound haven't quite been set. In my lab you'd likely be found to have no disease at all. ...Read more

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Is coronary cartography reliable alternative to angiography?

Heart evaluation: Catography seems to be just as reliable as angiography except that it is non invasive and is a boon to the patient. ...Read more

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Can computed tomography angiography show heart problems right?

Can computed tomography angiography show heart problems right?

It depends: On regular contrast-enhanced ct exams, cardiac abnormalities including masses or thrombus can be detected, but little information regarding the coronary arteries can be obtained. On a dedicated coronary ct exam with contrast (ekg gated), the coronary arteries can be evaluated for narrowing or blockages. This is usually not possible on regular ct exams due to motion. ...Read more

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Could CT scan's detect glaucoma?

Could CT scan's detect glaucoma?

No: The issue is glaucoma is elevated eye pressure which usually does not distort tissue in the eye in the range of a ct scan. There are many tests useful to discover glaucoma which your ophthalmologist can obtain for you.. ...Read more

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What is nuclear magnetic resonance spectroscopy?

What is nuclear magnetic resonance spectroscopy?

MRS or MRI: MRI is magnetic resonance imaging a type of medical imaging MRS is MR spectroscopy a rarer medical type of exam based on the science behind MRIs in part aimed at either parts of the brain or perhaps skeletal muscle to evaluate metabolism at times....both would be done in an MRI facility. when developed the nuclear part of both was dropped so as to not scare people about it.... ...Read more

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What is more accurate, a color carotid doppler ultrasound or a contrast carotid mra?

What is more accurate, a color carotid doppler ultrasound or a contrast carotid mra?

Carotid: A carotid doppler is a good screening procedure. A mra or cta of the carotids is more accurate but not the way to screen patients. ...Read more

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Computed tomography test for chest pain?

Computed tomography test for chest pain?

ChestCT: Done in many emergency rooms as a way to look for pulmonary embolism, dissection of aorta, sometimes coronary artery blockage if contrast is used with specific protocols. ...Read more

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Is magnetic resonance venography without contrast as accurate as mrv w/ contrast? Is mrv good accurate for distal clots?

Is magnetic resonance venography without contrast as accurate as mrv w/ contrast? Is mrv good accurate for distal clots?

MRV advantages: "Contrast media-enhanced MRV, however, is more reproducible and less susceptible to artifacts." "...MRV to have both high sensitivity (range, 87.5%–94.5%; pooled sensitivity, 92%) and specificity (range, 92.6%–96.5%; pooled sensitivity, 95%)" http://www.guideline.gov/content.aspx?id=47686 Advantages: deep calf, abdominal, and pelvic vein imaging. can show source of compression ie. source. ...Read more