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Doctor insights on: Aortography

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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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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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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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Is Magnetic Resonance Venography better than a CT Venography?

Is Magnetic Resonance Venography better than a CT Venography?

YES: Yes MRI is usually more accurate than Ct venogram.However certain situations like CT angiography of the brain is usually better a radiologist or specialized physician needs to decide case-by-case if MRR CT is 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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What is CT urography?

CT urogram: Ct urogram is a exam perform to evaluate to urinary tract (kidneys, ureters and bladder) for a cause of hemturia. The exam is performed before and after the administration of iodinated contrast. Most cases of hemturia have no findings on this exam. The most common finding is a kidney stone. ...Read more

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How are contrast ventriculography and radionuclide angiography different?

Ventrivculography: Both are different tests with different techniques. Contrast ventriculography is a cardiac catheterization procedures used to assess heart pumping function. Radionuclide angiography is a nujclear scan (muga scan) used to assess pumping function of the heart. Catheterization is an invasive procedure and muga scan is non-invasive procedure with minimal risk. ...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 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

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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Can CT scans accurately detect arteriosclerosis?

Can CT scans accurately detect arteriosclerosis?

OnlyAfterLongEnough: Atherosclerosis, known to start ~age 7 on average, & microcalcifications (within artery wall smooth muscle cells just outside the plaque) can be seen with a microscope & ca+2 stains within early years but are too small to see with any current ct machines. These may become visible by the best ct machines by early 30's, 2 decades later but typically a decade before obvious clinical events & symptoms. ...Read more

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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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Whats the difference between contrast ventriculography and radionuclide angiography?

Whats the difference between contrast ventriculography and radionuclide angiography?

X-ray vs radioactive: Contrast ventriculography uses x-ray contrast material, and rnvg uses a radioactive tracer. Acquisition time is shorter with x-ray compared to nuclear imaging. Both are great, but nuclear probably more accurate. ...Read more

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Ct scan, mri, nuclear medicine imaging, ivp scan, how are they different?

Ct scan, mri, nuclear medicine imaging, ivp scan, how are they different?

Quite different: Ct involves xray type radiation with cross sectional imaging in transaxial, sagittal, and coronal projections. Nuclear medicine, internal irradiation either injected intravenously, inhaled, ingested, injected subcutaneously.Ivp uses injection of contrast material for visualization of kidneys and bladder with x-ray. Mr imaging uses no ionizing radiation magnetic fields to generate x-sectional images. ...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 magnetic resonance imaging (mri)

What is magnetic resonance imaging (mri)

Nice pictres...: A very hi-tech, no radiation way of taking pictures of our bodies to aid doctors in helping pinpoint what is going on in a particular area of our body. ...Read more

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How many cardiac cta (computed tomography angiogram) procedures are performed annually in small hospitals?

How many cardiac cta (computed tomography angiogram) procedures are performed annually in small hospitals?

Thousands: Coronary cta mostly performed in cardiology offices. Many performed in hospitals also. Hundreds of thousands of these scans done each year. I read many of these tests a year. Very good technology. ...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