There are a few differences between a magnetic resonance angiogram, or MRA, and a computed tomography, or CT, scan, such as what can be seen on the different scans, the procedures involved and their applications. MRAs ar... More »

www.reference.com Health Diagnostics & Imaging

The use of a magnetic resonance angiogram is often more accurate than a CT scan or an ultrasound in certain diagnostic tests, according to WebMD. MRA testing is done to detect problems in the blood vessels that lead to t... More »

www.reference.com Health Diagnostics & Imaging

Barium administered for a CT scan typically leaves the body through normal bowel movements, although some patients may have to drink extra fluids or take a laxative to get rid of the barium. A laxative is useful after tw... More »

A magnetic resonance angiogram, or MRA, scan detects problems with blood vessels and blood flow, according to WebMD. The scan is used to evaluate blood vessels and help identify abnormalities or diagnose atherosclerotic ... More »

www.reference.com Health Diagnostics & Imaging

The use of a magnetic resonance angiogram is often more accurate than a CT scan or an ultrasound in certain diagnostic tests, according to WebMD. MRA testing is done to detect problems in the blood vessels that lead to t... More »

www.reference.com Health Diagnostics & Imaging

An MRA, or magnetic resonance angiogram, is a type of imaging study that produces pictures of a patient's blood vessels through the use of radio waves and a magnetic field, explains WebMD. A physician uses magnetic reson... More »

www.reference.com Health Diagnostics & Imaging

The U.S. National Library of Medicine describes that a positron emission tomography, or PET scan, shows how organs and tissues are working, while a magnetic resonance image, an MRI, and a computed tomography, a CT scan, ... More »

www.reference.com Health Diagnostics & Imaging