Assessment of hemodynamic function with pulsed doppler ultrasound

Recent refinements in pulsed Doppler technology have made possible the noninvasive assessment of hemodynamic function. The application of the Doppler frequency shift principle to study discrete velocity events at a measured distance from the transducer is discussed. The accuracy and limitations of D...

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Bibliographic Details
Published in:Journal of the American College of Cardiology 1985-01, Vol.5 (1), p.104S-112S
Main Authors: Berman, William, Alverson, Dale C.
Format: Article
Language:English
Subjects:
Animals
Aorta
Child
Dogs
Ductus Arteriosus, Patent - physiopathology
Femoral Artery
Heart Diseases - physiopathology
Hemodynamics
Humans
Infant
Mathematics
Myocardial Contraction
Regional Blood Flow
Time Factors
Ultrasonics
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Summary:Recent refinements in pulsed Doppler technology have made possible the noninvasive assessment of hemodynamic function. The application of the Doppler frequency shift principle to study discrete velocity events at a measured distance from the transducer is discussed. The accuracy and limitations of Doppler techniques in determining ascending aortic and peripheral blood flow velocities in infants with various cardiac lesions are examined. Noninvasive assessment of myocardial contractility is also described. Most studies performed to date suggest that pulsed Doppler techniques provide a sensitive approach to the measurement of flow velocity and acceleration in appropriate selected circumstances. However, distinctions between volume flow and flow velocity must be considered in the interpretation of data.
ISSN:0735-1097
1558-3597
DOI:10.1016/S0735-1097(85)80151-0