Cardiac Imaging

While cardiac ultrasound is the widely used imaging modality for heart assessments, computed tomography (CT), magnetic resonance imaging (MRI) and nuclear imaging are also used and are often complimentary, each offering specific details about the heart other modalities cannot. For this reason the clinical question being asked often determines the imaging test that will be used.

Imaging provides cost-effective way to target revascularization in those at risk for stroke

Transcranial Doppler ultrasound is a cost-effective way to identify patients with carotid artery stenosis who are candidates for aggressive intervention, according to a study published online Sept. 16 in Radiology.

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CTs from different vendors produce varying scores on coronary artery calcification

Substantially different scoring on coronary artery calcification produced by CT scanners from four different vendors could affect the medical treatment chosen by doctors for up to 6.5 percent of patients, according to a study published online August 22 of Radiology.

Panel says 3D echo is key to monitoring chemo-related cardiac dysfunction

A panel of experts from the American Society of Echocardiography and European Association of Cardiovascular Imaging has issued a consensus statement defining chemotherapy-related cardiac dysfunction, and supporting 3D echocardiography as the preferred technique for detecting this dysfunction.

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CT-based Mobile Stroke Care

Germany's ground-breaking use of CT scanners in ambulances to assess for possible stroke inspired one program in Houston to follow suit. Supporters predict it will transform care in the future. 

CT angiography cuts unnecessary hospitalization of ER patients

Using CT angiography to diagnose lower-risk emergency department patients with chest pain cuts down on hospitalization of those who don’t need it, according to a study published in the September issue of Radiology.

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CT scans of Egyptian mummies offer insight into atherosclerosis

Ancient Egyptians did not smoke cigarettes, suffer significantly from obesity or have sedentary lives, so one might assume that they also had lower rates of atherosclerosis. However, new research has shown that even though these ancient people dodged many modern risk factors, patterns of atherosclerosis were surprisingly similar.

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Toshiba’s new cardiovascular x-ray system provides uncompromised imaging to meet facilities’ clinical needs

Hospitals are now able to address their interventional cardiology needs with Toshiba America Medical Systems, Inc.’s newest X-ray system, the InfinixTM Essential.

Reading it right: On-call rads adeptly interpret triple-rule-out CT studies

On-call resident interpretation of tripe-rule-out CT studies in patients with acute chest pain is equal to final subspecialty attending interpretation in an overwhelming majority of cases, according to a study published in the July issue of Academic Radiology.

Around the web

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.

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.

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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