Re: Sizzling/Fizzing in throat. I don't know what it is but I also have that same thing. It happens to me when I'm lying, sitting or standing and even when I haven't eaten anything. Good luck hope you find out whats going on.
The Evolution of CT Scan Clinical Trials. Submitted by Bioclinica on July 22, 2011 - 11:46am. On October 1, 1971, CT scanning was first introduced by Godfrey Hounsfield into medical practice with a successful scan on a patient at the Atkinson Morley Hospital in Wimbledon, London using a prototype scanner.
A CT angiography (CTA) scan is a special kind of CT exam that focuses particularly on the blood vessels, using a contrast material to make them show up clearly in the images. Common uses. CTA is used to examine blood vessels in areas including the brain, neck, chest and abdomen.Conditions that the exam can reveal include aneurysms and narrowing of the arteries. Safety. CT examinations improve health care and are an essential part of diagnosis and treatment planning. CTA is typically used to examine blood vessels in the brain, neck, abdomen and chest. 2  We use the latest technology, including 64-slice CT scanners. 3  A radiologist with special training in CT and the vascular system will interpret your exam.