Zobrazeno 1 - 7
of 7
pro vyhledávání: '"R K, Shepard"'
Publikováno v:
Arteriosclerosis and Thrombosis: A Journal of Vascular Biology. 13:1543-1550
We have previously shown that high-frequency, high-resolution ultrasound can characterize the acoustic properties and composition of fatty plaques in cholesterol-fed rabbits. To determine whether quantitative ultrasound can delineate the regression o
Publikováno v:
IEEE 1992 Ultrasonics Symposium Proceedings.
The highly ordered and complex arrangement of cardiac myofibers produces an angle dependence or anisotropy of ultrasonic scattering. The extent to which the magnitude of anisotropy may depend on the particular view used for insonification of the hear
Publikováno v:
Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing. 4(2)
Eight patients with idiopathic ventricular tachycardia (VT) underwent mapping and radiofrequency ablation. Mapping showed VT originating in the high posterolateral left ventricular outflow tract in proximity to the left main and proximal circumflex c
Publikováno v:
Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing. 3(4)
Shocks given during the vulnerable period of cardiac repolarization may induce ventricular fibrillation (VF). However, the relationship of the vulnerable period and the monophasic action potential (MAP) has not yet been reported in humans. The purpos
Publikováno v:
Arteriosclerosis and thrombosis : a journal of vascular biology. 12(10)
To determine whether high-frequency ultrasound could distinguish normal from pathological vascular structure and to elucidate the determinants of ultrasonic backscatter in different layers of normal and atherosclerotic arteries, high-resolution acous
Publikováno v:
Circulation. 85(1)
BACKGROUND Remodeling of myocardial tissue after infarction may culminate in the development of either a well-healed scar or a thin, expanded heart wall segment that predisposes to ventricular aneurysm formation, congestive heart failure, or ventricu
Autor:
R. K. Shepard, K. A. Kershaw
Publikováno v:
Canadian Journal of Botany. 50:2239-2250
The interpretation of ordination diagrams obtained from principal-component analysis requires a considerable amount of time-consuming graphical work. Two methods of approach to this problem are described where off-line plotting facilities under the c