Introduction to Cardiac Computed Tomography View Full Text


Ontology type: schema:Chapter     


Chapter Info

DATE

2015

AUTHORS

Muzammil H. Musani , Eric J. Feldmann , Michael Poon

ABSTRACT

Recent dramatic technological advances in computed tomography (CT) technology allow routine performance of cardiac computed tomography angiography (CCTA) with excellent image quality at modest effective radiation doses (E). Improved z-axis coverage, utilizing scanners with 64, 128, 256, and 320 z-axis detector-rows, decreases “slab artifact,” improves contrast opacification, and allows shorter breath holds – thus further decreasing cardiac motion artifacts and improving over image quality. Improved “true” hardware-dependent temporal resolution, now at roughly 100–175 ms with single source and 75 ms with dual source scanners, decreases artifacts from coronary artery motion. Improved detector technology now yields a maximal spatial resolution on the order of 18.2 line pairs/cm. More... »

PAGES

1-11

Book

TITLE

Clinical Pearls in Diagnostic Cardiac Computed Tomographic Angiography

ISBN

978-3-319-08167-0
978-3-319-08168-7

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/978-3-319-08168-7_1

DOI

http://dx.doi.org/10.1007/978-3-319-08168-7_1

DIMENSIONS

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