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.

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CVUS: Stress echocardiography-based strategies are cheaper, less risky

Stress echocardiography-based strategies are cost effective and negatethe risk of radiation exposure compared to alternative imagingstrategies, according to an analysis published online May 29 in Cardiovascular Ultrasound.

Stress echocardiography-based strategies are cheaper, less risky

Stress echocardiography-based strategies are cost effective and negate the risk of radiation exposure compared to alternative imaging strategies, according to an analysis published online May 29 in Cardiovascular Ultrasound.

Texas hospital develops center for treatment of heart rhythm disorders

St. David’s HealthCare, along with Texas Cardiac Arrhythmia, hasdeveloped the Texas Cardiac Arrhythmia Institute (TCAI) at St. David’sMedical Center in Austin.

Siemens extends Biosense alliance for AcuNav ultrasound catheter

Siemens Healthcare has extended its strategic alliance with BiosenseWebster, a Johnson & Johnson company, by opening up its AcusonAcuNav ultrasound catheter for use on third-party ultrasound systems.

Cardiac imaging challenges radiology environment

Time-resolved MRA useful for stenosis, occlusion evaluation

The addition of time-resolved data to conventionally acquiredhigh-spatial-resolution contrast-enhanced MR angiography (MRA) imagesresults in improvements in occlusion detection specificity andincreased reader confidence without increasing the time needed forstudy interpretation, according to research conducted in the departmentof radiology at Duke University Medical Center in Durham, N.C.

CT more cost-effective than SPECT in diagnosing CAD

Patients who underwent coronary CT angiography (CCTA), without a priordiagnosis of coronary artery disease (CAD), incurred costs $603 lower(per patient average) than those who underwent myocardial perfusionimaging (MPI or SPECT), according to a study presented by James K. Min,MD, on Tuesday at the 2008 American College of Cardiology (ACC) inChicago.

Cardiac CT: Ready for prime time as first line for suspected MI?

CHICAGO–Cardiac CT angiography (CCTA) has demonstrated the capabilityto provide clinical information to help better manage patients forcardiologists employing the technology. In a spirited protagonist vs.antagonist presentation at the American College of Cardiology (ACC)2008 Scientific Sessions March 30, a pair of clinicians foresees agreater role for CT in cardiology’s future.

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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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