Medical Imaging

Physicians utilize medical imaging to see inside the body to diagnose and treat patients. This includes computed tomography (CT), magnetic resonance imaging (MRI), X-ray, ultrasound, fluoroscopy, angiography,  and the nuclear imaging modalities of PET and SPECT. 

An example of spectral cardiac CT being used to show iodine density in the myocardium to show perfusion deficits. Shown by Philips healthcare at ACC 2022.

VIDEO: Mitigating the contrast media shortage impact on CT imaging

Brian Ghoshhajra, MD, MBA, division chief, cardiovascular imaging, Massachusetts General Hospital and associate professor of radiology, Harvard Medical School, explains the impact of the iodine contrast shortage on computed tomography (CT) and cardiac imaging.
 

Contrast shortage update: GE expects supply to 'progressively recover' soon

Production at the facility in Shanghai is expected to be near 100% starting on June 6.

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Image-guided spinal surgery system cleared

The FDA has OK’d software for planning and guiding image-based, computer-assisted surgery of the spine.

Skyrocketing rates of head CT in the ED: Don’t look at advanced practice providers

The meteoric rise of noncontrast head CT in emergency settings is not explained by the conspicuous proliferation of nurse practitioners and physician assistants in the ED.

GE, Philips, Siemens pass academic test on low-dose DECT

Comparing six dual-energy CT technologies marketed by three scanner manufacturers, radiology researchers have found all models helpful in determining the chemical composition of kidney stones even at substantially reduced radiation doses.

Crowdsourced X-rays suitable for training AI in orthopedic injuries

The Internet is an acceptable source of images for training algorithms to automatically triage patients with dislocated joints and similar orthopedic emergencies. 

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Deep learning expedites normal findings on ultrafast breast screenings

AI can safely and accurately identify healthy breast tissue on ultrafast breast MRI, negating the need for a radiologist’s closer look and, in the process, lowering cancer screening costs and widening patient access to breast MRI.

Neighbor to the North facing a ‘very bleak future’ if medical imaging not modernized soon

Canada has fallen behind other industrialized nations in multiple measures of capital healthcare investment, and the most glaring gap is found in the state of its medical imaging equipment.

Around the web

The patient, who was being cared for in the ICU, was not accompanied or monitored by nursing staff during his exam, despite being sedated.

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.