Results 261 to 270 of about 318,892 (304)

Correlation-based blood-flow velocity estimation: effect of transverse spread of flow velocity and flow velocity gradients

2000 IEEE Ultrasonics Symposium. Proceedings. An International Symposium (Cat. No.00CH37121), 2002
In recent years, a new method to measure transverse blood flow, based on the decorrelation of the radio frequency (RF) signals has been introduced. We investigated the decorrelation characteristics of transverse blood flow using an intravascular ultrasound (IVUS) array catheter by means of computer modeling.
F.A. Lupotti, A.F.W. van der Steen
openaire   +1 more source

Blood flow and blood velocity measurement in vivo by electromagnetic induction

Transactions of the Institute of Measurement and Control, 1982
The application of electromagnetic induction to the measurement of blood flow and blood velocity in vivo is reviewed, The electronic requirements are discussed and the associated problems are surveyed. A brief account is given of Bevir's virtual current theory and its application to flow and velocity measuring devices.
openaire   +2 more sources

Cerebrovascular blood flow velocities in pseudoexfoliation

Graefe's Archive for Clinical and Experimental Ophthalmology, 2005
Yuksel, N, Karabas, VEYSEL LEVENT, Caglar, Y, Kilic, AYŞE NUR KÜBRA, Anik, YONCA, Demirci, A   +5 more
openaire   +3 more sources

VELOCITY OF BLOOD FLOW IN SCHIZOPHRENIA

Archives of Neurology And Psychiatry, 1938
Our purpose in this study was to determine the rate of blood flow in patients with schizophrenia. The work of Blumgart 1 has stimulated interest in studies on the velocity of blood flow. The circulation time, while it does not directly determine the velocity of blood flow, is the denominator in the equation distance of pathway/circulation time equals ...
openaire   +1 more source

Color Display of Blood Flow Velocities

1988
This chapter will describe typical color images of various kinds of flow characteristics. This forms the basis for recognizing and understanding the pathological flow conditions in different forms of heart disease. As will be seen, there are only a few archetypical flow patterns and the knowledge of these will make the recognition of pathological ...
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Isothermal Blood Flow Velocity Probe

IRE Transactions on Medical Electronics, 1959
S. Katsura, R. Weiss, D. Baker, R. F. Rushmer   +3 more
openaire   +1 more source

Blood-flow velocity profiles

Ultrasonics, 1970
openaire   +1 more source

Blood flow velocity alterations during coronary vasospasm

Catheterization and Cardiovascular Diagnosis, 1995
M J, Kern, T J, Donohue, R G, Bach, J A, Moore   +3 more
openaire   +2 more sources

Cerebral blood flow velocity in intraventricular hemorrhage

The Journal of Pediatrics, 1983
B, Lipman, J E, Brazy
openaire   +2 more sources

Strategies for delivering therapeutics across the blood–brain barrier

Nature Reviews Drug Discovery, 2021
Georg C Terstappen, Wandong Zhang
exaly