title: Harmonic Power Doppler Contrast Echocardiography: Preliminary Experimental Results.
abstract: This preliminary experimental study demonstrates the potential usefulness of harmonic power Doppler imaging in producing left ventricular myocardial opacification and demonstrating intramyocardial coronary vessels during contrast echocardiography using Levovist, a saccharide-based contrast agent. The contrast effect was most dramatic when a vasodilator such as dipyridamole or nitroglycerin was used in conjunction with contrast injections of Levovist. No significant myocardial opacification was noted with B-mode harmonic imaging alone.
authors.affiliation: University of Alabama at Birmingham, Heart Station SW/S102, Birmingham, AL 35233. nanda@cardio.dom.uab.edu
authors.forename: Dipak I.
authors.initials: DI
authors.lastname: Agrawal
authors.forename: Sanjay
authors.initials: S
authors.lastname: Malhotra
authors.forename: Navin C.
authors.initials: NC
authors.lastname: Nanda
authors.forename: Claudia
authors.initials: C
authors.lastname: Carvalho Truffa
authors.forename: Gopal
authors.initials: G
authors.lastname: Agrawal
authors.forename: Abhash C.
authors.initials: AC
authors.lastname: Thakur
authors.forename: Farrukh
authors.initials: F
authors.lastname: Jamil
authors.forename: Gregg W.
authors.initials: GW
authors.lastname: Taylor
authors.forename: Harald
authors.initials: H
authors.lastname: Becher