Patient doses received during digital subtraction angiography

Digital subtraction angiography (DSA) is based on digital image processing with logarithmic subtraction and edge enhancement. It is used increasingly for the visualization of blood vessels throughout the body. The bulk of the workload in the angiography suite at the Queen Elizabeth Hospital, Birmingham involves carotid and femoral angiograms with other examinations, including hepatic and renal angiograms, being carried out less frequently. A...