Ready, shoot, aim? Summary justice for small hearts in nuclear cardiology

Ready, shoot, aim? Summary justice for small hearts in nuclear cardiology EDITORIAL Ready, shoot, aim? Summary justice for small hearts in nuclear cardiology a,b a Guido Germano, PhD, MBA, and Paul B. Kavanagh, MS Department of Medicine, Cedars-Sinai Medical Center, Artificial Intelligence in Medicine Program, Los Angeles David Geffen School of Medicine, UCLA, Los Angeles Received May 5, 2016; accepted May 5, 2016 doi:10.1007/s12350-016-0545-9 duration, and count statistics necessitate the use of See related article, pp. 1378–1388 blurring low-pass filters, resulting in maximum recov- erable reconstructed image resolutions rarely better than 10 to 15 mm FWHM (full-width half maximum) for SPECT, and as a consequence pixel sizes of less than 5 It may have happened to many of you to take a to 7 mm are rarely used in tomographic images. The blurry photograph—maybe the subject moved unpre- situation is typically better for PET, but not exceedingly dictably, or (as one of us has often experienced) the so for cardiac PET, particularly if using Rb-82 as a autofocus switch got dislodged as the camera was radioisotope. knocked around in the bag. If this was a mission-critical Suboptimal spatial resolution results in the well- picture, playing around with sharpening filters and ker- known partial volume effect, which hides small struc- nels Journal of Nuclear Cardiology Springer Journals

Ready, shoot, aim? Summary justice for small hearts in nuclear cardiology

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Springer US
Copyright © 2016 by American Society of Nuclear Cardiology
Medicine & Public Health; Cardiology; Nuclear Medicine; Imaging / Radiology
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