Ct cag full form

Background Conventional coronary angiography (CAG) is currently the gold standard technique for the assessment of coronary arteries prior to cardiac valve surgery. Although CAG is a relatively safe procedure, however, it is still an invasive procedure, and it has potential hazards and complications. Coronary computed tomography angiography (CCTA) is a non-invasive technique that has emerged robustly as an excellent and attractive tool for delineating coronary anatomy. Therefore, we sought to evaluate the accuracy of CCTA when compared with the gold standard CAG in the evaluation of coronary arteries before valve surgery. We screened 111 consecutive patients with VHD undergoing a routine cardiac catheterization for preoperative evaluation of CAD. Fifty patients were eligible and underwent both CAG and CCTA. Significant coronary stenosis was defined as a luminal diameter decrease of ≥ 50%. Additionally, ectasia, calcifications, and congenital coronary anomalies were analyzed. Also, we compared both techniques regarding radiation dose, contrast volume, and complications. Non-evaluable segments were excluded from all levels of analysis. Sixty-one patients were excluded from the study due to various reasons. Results Among the 50 patients of the study population, 27 (54%) were males. The prevalence of significant CAD in the study population was 19.6% according to the patient-based analysis, and CAG could have been avoided in 80.4% of patients with a true-negative CCTA result. ...

This article contains a list of commonly used medical abbreviations and acronyms that start with the letter C and may be encountered in medicine and radiology (please keep both the main list and any sublists in alphabetic order). C - • C • • • Celsius/centigrade • cervical • coulomb ( • cysteine (single letter amino acid code) • • • c: • C1-C3: cruciate pulleys • C1-C7 • cervical spinal nerve roots • • C2H5OH: ethanol • C8: eighth cervical nerve root • CA • calcification • • • coronary angiography • Ca: • CA 15-3: • CA 19-9: • CA 27-29: • CA-125: • CAA: • CABG: • CAC: • CACG: chronic angle-closure glaucoma • cACLD: • CAD • • • CADASIL: • CAE: • CAG: • CAGS: • CAH: • CAI: • CAIPIRINHA: controlled aliasing in parallel imaging results in higher acceleration (Siemens) • CAK: • CAM: • CANVAS: • CAP • chest-abdomen-pelvis (as in CT scan of CAP) • • CAPD: continuous ambulatory peritoneal dialysis • CARASAL: • CARASIL: • CAS: • CASA: computer-assisted semen analysis • CASH: chemotherapy-associated steatohepatitis • CAT • • critically-appraised topic • c/b: complicated by • CB: ciliary body • CBAVD: congenital bilateral absence of vas deferens • CBC: complete blood count • CBCT: • CBD • • • CBF: • CBH: change in bowel habit • CBI: continuous bladder irrigation • CBS • Charles Bonnet syndrome • • CBV: • cc: with correction (ophthalmology) • CC • caudocranial or caudocraniad • chief complaint • copy to (letters/email) • • craniocaudad or craniocaudal • Creative Commons • cubic centim...

During a coronary angiogram procedure, a small catheter is inserted through the skin into an artery at the arm or groin, slowly advancing to the opening of the coronary arteries. A solution containing iodine is injected into each coronary artery, where visualization can be observed from an x-ray. Angiographic images accurately reveal the extent and severity of all coronary artery blockages, the strength of heart muscles and performance of the cardiac valves.

To evaluate the diagnostic accuracy of 64-slice CT coronary angiography (CT-CA) for the detection of significant coronary artery stenosis in patients with zero on the Agatston Calcium Score (CACS). We enrolled 279 consecutive patients (96 male, mean age 48 ± 12 years) with suspected coronary artery disease. Patients were symptomatic (n = 208) or asymptomatic (n = 71), and underwent conventional coronary angiography (CAG). For CT-CA we administered an IV bolus of 100 ml of iodinated contrast material. CT-CA was compared to CAG using a threshold for significant stenosis of ≥50%. The prevalence of disease demonstrated at CAG was 15% (1.4% in asymptomatic). The population at CAG showed no or non-significant disease in 85% (238/279), single vessel disease in 9% (25/279), and multi-vessel disease in 6% (16/279). Sensitivity, specificity, and positive and negative predictive values of CT-CA vs. CAG on the patient level were 100%, 95%, 76%, and 100% in the overall population and 100%, 100%, 100%, and 100% in asymptomatic patients, respectively. CT-CA proves high diagnostic performance in patients with or without symptoms and with zero CACS. The prevalence of significant disease detected by CT-CA was not negligible in asymptomatic patients. The role of CT-CA in asymptomatic patients remains uncertain. • Nieman K, Oudkerk M, Rensig BJ et al (2001) Coronary angiography with multislice computed tomography. Lancet 357:599–603 • Mollet NR, Cademartiri F, Krestin GP et al (2005) Improved...

A CT coronary angiogram is a diagnostic imaging test that uses X-rays to create an image of your coronary arteries. The coronary arteries are the blood vessels that supply oxygenated blood to the heart muscle itself. Because coronary artery disease (also known as CAD) can lead to A CT coronary angiogram, also known as CT coronary angiogram, is used to diagnose coronary artery disease (CAD), which involves narrowing the arteries that supply oxygen-rich blood to the heart muscle (myocardium). This enables doctors to directly view the inside of the heart and get pictures of the narrowed arteries without inserting a long tube into your body. Table of Contents • • • • • • • • • • • • • • • • • • • • • • • • • • What is a Computed tomography coronary angiography? A coronary angiogram is a diagnostic imaging test that uses X-rays to create an image of your heart. It allows doctors to see how well your heart is receiving the blood and whether there are any blockages, called stenosis, in any of your coronary arteries. A CT Coronary Angiography (also known as a cardiac CT angiogram) is a non-invasive way to visualize coronary arteries. Hence known as non-invasive angiography of the heart. What happens before you have a CT coronary angiogram? The ct angiography heart, or CTA, is a type of test that uses X-rays to create images of your heart and blood vessels. If you’re going to have one, you’ll need to go through a certain recommendation. • You are asked not to eat or drink anything ...