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Digital subtraction angiography (DSA) is a fluoroscopy technique used in interventional radiology to clearly visualize blood vessels in a bony or dense soft tissue environment. Images are produced using contrast medium by subtracting a "pre-contrast image" or mask from subsequent images, once the contrast medium has been introduced into a ...
If the patient is allergic to the contrast medium, much more serious side effects are inevitable; however, with new contrast agents the risk of a severe reaction is less than one in 80,000 examinations. Additionally, damage to blood vessels can occur at the site of puncture/injection, and anywhere along the vessel during passage of the catheter.
Embolization is a process in which the interventional radiologist accesses the culprit bleeding vessel via a small catheter and interrupts blood flow to the site of bleeding via various mechanisms. Side effects of this procedure are minimal but there is a risk of bleeding and infection—though much less than the equivalent surgical procedure.
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The problem of radiation injuries due to fluoroscopy has been further addressed in review articles in 2000 [61] and 2010. [62] While deterministic radiation effects are a possibility, radiation burns are not typical in standard fluoroscopic procedures. Most procedures sufficiently long in duration to produce radiation burns are part of ...
Update: Big Lots says it reached a deal in late December to keep hundreds of U.S. stores open. Big Lots is preparing to close all of its stores, the bankrupt discount retailer said Thursday. The ...
Neurosurgeon Dr. Paul Saphier, M.D., shared some ingredients to a healthy breakfast for heart and brain health, including yogurt, fruit and seeds, in a video posted to X.
An ADA spokesperson, Dr. Scott Tomar, said that if more robust studies prove a link between fluoride and brain development, public health leaders should take a closer look at the mineral's effects ...