Real-time monitoring of cardiac regional function using fastHARP MRI and region-of-interest reconstruction.

Real-time monitoring of cardiac regional function using fastHARP MRI and region-of-interest reconstruction. Research Abstract Details 

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Real-time monitoring of cardiac regional function using fastHARP MRI and region-of-interest reconstruction. Abstract Text:

Khaled Z Abd-Elmoniem,Smita Sampath,Nael F Osman,Jerry L Prince,

Cardiovascular stress test imaging assists in the diagnosis and monitoring of cardiovascular disease. The procedure can be carried out in a magnetic resonance (MR) scanner using pharmacological agents that mimic the effects of natural exercise. In order to provide real time indication of ischemia, thereby assisting in diagnosis and helping to assure patient safety, it is desirable to have real time monitoring of the myocardial regional function. This paper presents an algorithm for the real time myocardium region-of-interest reconstruction and myocardial strain computation using data acquired from a real time pulse sequence that has been previously reported. The chirp Fourier transform is used for efficient computation, enabling a real-time continuous strain map at a rate of 25 frames/s. Coupled with a real time data path from the scanner to a laptop computer, this algorithm enables real time continuous monitoring of cardiac strain and is targeted for use in the early detection and quantification of ischemia during MR stress tests.

Real-time monitoring of cardiac regional function using fastHARP MRI and region-of-interest reconstruction. Publishing Authors By Initials

KZ Abd-Elmoniem,S Sampath,NF Osman,JL Prince,

For similar investigative techniques: epidemiologic methods: statistics as topic: sensitivity and specificity research abstracts see: investigative techniques: epidemiologic methods: statistics as topic: sensitivity and specificity research

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Real-time monitoring of cardiac regional function using fastHARP MRI and region-of-interest reconstruction. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: IEEE transactions on bio-medical engineering

VOLUME: 54

Page Numbers: 1650-6

Journal Abbreviation:

ISSN: 0018-9294

DAY: 3

MONTH: Sep

YEAR: 2007

Real-time monitoring of cardiac regional function using fastHARP MRI and region-of-interest reconstruction. Information

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LANGUAGE: eng

NlmUniqueID: 12737

Real-time monitoring of cardiac regional function using fastHARP MRI and region-of-interest reconstruction. Keywords Mesh Terms:

KEYWORDS: Sensitivity and Specificity

MESH TERMS: methods

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Grant and Affiliation Information for Real-time monitoring of cardiac regional function using fastHARP MRI and region-of-interest reconstruction.

AFFILIATION: Department of Radiology, School of Medicine, Johns Hopkins University, Baltimore, MD 21205, USA. khlaed@jhu.edu

Country: United States

AGENCY: United States NHLBI

GRANT: R01 HL47405

ACRONYM: HL

MEDLINETA: IEEE Trans Biomed Eng

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