Velocity tracking - a novel method for quantitative analysis of longitudinal myocardial function
2007 (English)In: Journal of the American Society of Echocardiography, ISSN 0894-7317, E-ISSN 1097-6795, Vol. 20, no 7, 847-856 p.Article in journal (Refereed) Published
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, 847-856 p.
coronary-artery-disease; tissue doppler; stress echocardiography; diastolic dysfunction; heart-failure; diagnosis; motion; wall
IdentifiersURN: urn:nbn:se:kth:diva-11756DOI: 10.1016/j.echo.2006.11.024ISI: 000248738600008ScopusID: 2-s2.0-34347386268OAI: oai:DiVA.org:kth-11756DiVA: diva2:280833
QC 201512232009-12-112009-12-112015-12-23Bibliographically approved