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.

FDA does not foresee future isotope shortage

The FDA said that the shortage of medical imaging isotopes is over and no further supply issues are expected, following the reopening of the Canadian reactor.

Philips adds new advanced visualization tools; BrightView SPECT technology

Philips Medical Systems unveiled the new features and technology forits BrightView SPECT device and new advanced visualization technologyat the 2007 Radiological Society of North America (RSNA) annualconference in Chicago last month.

Big buzz over Siemens small ultrasound

There was plenty of buzz around the smallest ultrasound, the 1.6-pound Acuson P10 from Siemens Medical Solutions, at RSNA 2007 in Chicago last month.

AIM: CT more useful to detect calcium buildup, indicating heart risks in women

A new analysis of the Multi-Ethnic Study of Atherosclerosis (MESA)shows that a third of women considered to be low risk based on theFramingham Risk Score (FRS) had detectable coronary artery calcium(CAC) on a CT scan and were at increased risk for coronary heartdisease (CHD) compared with those without detectable CAC, according toa new study published in the Dec. 10/24 issue of the Archives in Internal Medicine.

House members oppose more Medicare cuts to medical imaging

 Representatives Carolyn McCarthy, D-N.Y., Joseph Pitts, R-Pa., and GeneGreen, D-Texas, were joined by 69 of their colleagues in urging Speakerof the House Nancy Pelosi to reject any additional cuts to Medicaremedical imaging services.

ACR, AMIC respond to isotope shortage

 Advanced Medical Isotope Corporation (AMIC) is responding to the MDSNordion shutdown, which has caused a shortage in medical isotopes, byaccelerating its launch of compact generator systems, proprietarytechnology devices and intellectual properties to remedy futureshortages.

Maryland physicians appeal in-office self-referral imaging ruling

 Physicians are appealing to the Maryland Court of Special Appealsregarding a trial court ruling that prohibits doctors from referringpatients to diagnostic entities in which they have a financial stake,except in certain circumstances.

Dual-source CTA is effective for patients with atrial fibrillation

Dec. 10 – Dual-source CT technology provides a temporal resolution thatallows CT coronary angiography at higher heart rates and even withatrial fibrillation, according to a study published in theNovember issue of 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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