Computed Tomography

Computed tomography (CT) is a fast and accurate imaging modality often used in emergency settings and trauma imaging. CT scans, with or without (or both) iodinated contrast are frequently used to image the brain, chest, abdomen and pelvis, but also have post-imaging reconstructive capabilities for detailed orthopedic imaging. It is now a standard imaging modality in emergency rooms to quickly assess patients. CT uses a series of X-ray images shot as the gantry rotates around the patient. Computer technology assembles these into into a dataset volume than can be slices on any access, or advanced visualization software can extract specific parts of the anatomy for study. Find more content specific to cardiac CT.

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Routine CT scans offer radiologists opportunity to detect costly bone problems

A Mount Sinai School of Medicine-led team said such scans should be used to spot possible osteoporosis.

CMS renews payment coverage for Viz.ai’s stroke CT platform

The San Francisco-based AI vendor said CMS evaluated other companies, but only chose to renew reimbursement for Viz LVO due to "strong clinical outcomes."

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Disproportionate CT use for minor injuries is pushing emergency spine imaging utilization skyward

More than 800,000 of the 40 million annual ED visits in the U.S. now involve spine injuries, and imaging use for these traumas has tripled in some populations.

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AI software helps radiologists cut unnecessary chest CT scans by 30%

Patients also benefit by avoiding unneeded radiation exposure, while healthcare systems sidestep added medical costs.

‘New generation’ CT shortens time to surgery for patients with life-threatening stroke

Bypassing conventional CT for scans readily available in surgical rooms may help doctors quickly assess large vessel occlusion strokes prior to mechanical thrombectomy.

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‘Urgent’ action needed to address large number of patients receiving alarming CT radiation doses

A regional hospital network with eight CT scanners assessed cumulative radiation doses over the course of 2020, a year that saw imaging utilization plummet.

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Radiologic technologist accused of sexually assaulting patient during CT scan

The Texas-based rad tech was temporarily suspended from practicing and remains in jail on a $15,000 bond.

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Generalists just as accurate as fellowship-trained radiologists at diagnosing appendicitis on MRI, CT

Community-based rads showed "excellent" accuracy using MR imaging to spot appendix issues, researchers reported in Emergency Radiology.

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Around the web

Cardiovascular Business
Global shortage of nuclear imaging isotopes may be over

The nuclear imaging isotope shortage of molybdenum-99 may be over now that the sidelined reactor is restarting. ASNC's president says PET and new SPECT technologies helped cardiac imaging labs better weather the storm.

Cardiovascular Business
‘A huge win’: CMS significantly increases Medicare payments for cardiac CT

CMS has more than doubled the CCTA payment rate from $175 to $357.13. The move, expected to have a significant impact on the utilization of cardiac CT, received immediate praise from imaging specialists.

Cardiovascular Business
FDA clears AI tool that flags signs of heart disease in chest CT scans

The newly cleared offering, AutoChamber, was designed with opportunistic screening in mind. It can evaluate many different kinds of CT images, including those originally gathered to screen patients for lung cancer. 

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