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Velocity tracking - a novel method for quantitative analysis of longitudinal myocardial function
KTH, Medicinsk teknik.ORCID iD: 0000-0002-1188-8098
KTH, Medicinsk teknik.ORCID iD: 0000-0002-5795-9867
KTH, Medicinsk teknik.
KTH, Medicinsk teknik.
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2007 (English)In: Journal of the American Society of Echocardiography, ISSN 0894-7317, E-ISSN 1097-6795, Vol. 20, no 7, p. 847-856Article in journal (Refereed) Published
Abstract [en]

Doppler tissue imaging is a method for quantitative analysis of longitudinal myocardial velocity. Commercially available ultrasound systems can only present velocity information using a color Dopplerbased overlapping continuous color scale. The analysis is time-consuming and does not allow for simultaneous analysis in different projections. We have developed a new method, velocity tracking, using a stepwise color coding of the regional longitudinal myocardial velocity. The velocity data from 3 apical projections are presented as static and dynamic bull's-eye plots to give a 3-dimensional understanding of the function of the left ventricle. The static bull's-eye plot can display peak systolic velocity, late diastofic tissue velocity, or the sum of peak systolic velocity and early diastolic tissue velocity. Conversely, the dynamic bull's-eye plot displays how the myocardial velocities change over one heart cycle. Velocity tracking allows for a fast, simple, and hituitive visual analysis of the regional longitudinal contraction pattern of the left ventricle with a great potential to identify characteristic pathologic patterns.

Place, publisher, year, edition, pages
Elsevier , 2007. Vol. 20, no 7, p. 847-856
Keywords [en]
coronary-artery-disease; tissue doppler; stress echocardiography; diastolic dysfunction; heart-failure; diagnosis; motion; wall
National Category
Industrial Biotechnology
Identifiers
URN: urn:nbn:se:hj:diva-37063DOI: 10.1016/j.echo.2006.11.024ISI: 000248738600008Scopus ID: 2-s2.0-34347386268OAI: oai:DiVA.org:hj-37063DiVA, id: diva2:1137601
Available from: 2009-12-11 Created: 2017-08-31Bibliographically approved

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Bjällmark, Anna

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  • apa
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