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Search: authors:"Krishna Nayak"

7 papers found.
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Analysis of physiological noise in quantitative cardiac magnetic resonance

: Krishna Nayak. 10 / 12 Investigation: Terrence Jao. Methodology: Terrence Jao. Software: Terrence Jao. Supervision: Krishna Nayak. Writing ? original draft: Terrence Jao. Writing ? review & editing ... : Terrence Jao, Krishna Nayak. 11 / 12 1. Salerno M , Kramer CM . Advances in Parametric Mapping With CMR Imaging . JACC Cardiovasc Imaging . 2013 ; 6 : 806 - 22 . 2013 . 05

Myocardial arterial spin labeling

Arterial spin labeling (ASL) is a cardiovascular magnetic resonance (CMR) technique for mapping regional myocardial blood flow. It does not require any contrast agents, is compatible with stress testing, and can be performed repeatedly or even continuously. ASL-CMR has been performed with great success in small-animals, but sensitivity to date has been poor in large animals and...

Computational fluid dynamics simulations of blood flow regularized by 3D phase contrast MRI

Background Phase contrast magnetic resonance imaging (PC-MRI) is used clinically for quantitative assessment of cardiovascular flow and function, as it is capable of providing directly-measured 3D velocity maps. Alternatively, vascular flow can be estimated from model-based computation fluid dynamics (CFD) calculations. CFD provides arbitrarily high resolution, but its accuracy...

Cardiovascular magnetic resonance phase contrast imaging

Cardiovascular magnetic resonance (CMR) phase contrast imaging has undergone a wide range of changes with the development and availability of improved calibration procedures, visualization tools, and analysis methods. This article provides a comprehensive review of the current state-of-the-art in CMR phase contrast imaging methodology, clinical applications including summaries of...

Myocardial first-pass perfusion cardiovascular magnetic resonance: history, theory, and current state of the art

In less than two decades, first-pass perfusion cardiovascular magnetic resonance (CMR) has undergone a wide range of changes with the development and availability of improved hardware, software, and contrast agents, in concert with a better understanding of the mechanisms of contrast enhancement. The following review provides a perspective of the historical development of first...