#10 Dual Energy Source Computed Tomography (CT) Imaging

Overview

The CT device features two X-ray sources and two radiation detectors, which allow for imaging of patients more quickly and with less radiation. The speed at which the dual-source scanner operates allows physicians to image patients with high or irregular heart rates, which used to be a significant limitation of this technology.

Increased speed in image acquisition provided by a dual energy source has greatly expanded the application of CT imaging in cardiac disease. The associated multi-row detection technology has improved device portability that allows real-time imaging to be performed to assist a vast number of applications in orthopedics, neurointervention, and in the ICU setting. The technology continues to improve, offering better resolution and lower radiation dose.

Where Are They Now

The CT device features two x-ray sources and two radiation detectors, which allow for imaging of patients more quickly and with less radiation. The speed at which the dual-source scanner operates allows physicians to image patients with high or irregular heart rates, which used to be a significant limitation of this technology.
 
Increased speed in image acquisition provided by a dual energy source has greatly expanded the application of CT imaging in cardiac disease. Clinicians are now applying this technology to vascular imaging, evaluation of renal disease, CT colonography and some types of cancer. Imaging protocols for dual energy source CT studies can now be performed with equivalent or even lower radiation exposure than before. Several imaging devices created by the leading medical companies in this this space are available commercially in the United States and have been granted 510(k) clearance. 

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