Tuesday, August 26, 2014

Ask The Experts: Low Dose CT

We finish this months discussion with Dr. Ajay Viswambharan on CT scans, focusing on low dose CT scans. Previously, he discussed what a CT scan is and how it works, as well as the concern for radiation exposure. He continues to answer questions regarding the low dose CT scans available at Atlantic Medical Imaging, and what precautions we take to lower radiation doses.

Are the images with a low dose CT scan as clear as the standard CT scan?
Yes. Image quality is calibrated to maintain diagnostic quality. At Atlantic Medical Imaging we ensure that your imaging will be done with the least possible radiation while still maintaining exceptionally high quality imaging.

What measures do you put in place to ensure each patient receives a low dose CT scan?

CT scanners at all AMI offices automatically use addition special software (called ASIR or SafeCT, depending on the model). They are automatically used on all exams on all patients. 

What is the average dose of radiation with each scan, and how does that compare to the natural/environmental exposure?

Dose reduction varies by body part scanned. Typical dose reductions are in 30-50% range. So many exams are half the dose of standard CT scanners without this additional software that AMI has installed.

AMI is part of the Radiation Dose Registry for ACR, what does that entail and how does AMI monitor the protocols for low dose ct scans?

All individual patient doses are sent from the scanners to the American College of Radiology Dose Registry. They compare our doses to those of other Radiology centers. We get reports from the ACR detailing how our doses compare to other centers. AMI CT doses are as low or lower than many of the leading radiology centers.

For more information on CT scans please visit : http://atlanticmedicalimaging.com/pages/what-is-a-ctcat-scan


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