Obtaining good. fusion splices is much easier today, due to continued improvements to the fusion splice equipment, procedures and. practices, in addition to the evolutionary improvements in controlling optical fiber geometries. As a result, losses.
In CT, the total amount of radiation incident on the patient, known as the DLP, is the product of the CTDIvol and scan length (in centimeters) and is measured in milligray-centimeters.
A CT scan creates images of the valve anatomy and allows for evaluation of the severity of stenosis and regurgitation. A CT scan can also determine whether there are valvular lesions or nearby tumors affecting the function. Read more about CT scans. Cardiac Catheterization. How does cardiac catheterization help diagnose valve disease?