Resolution and display requirements for ultrasound Doppler/evaluation of the heart in children, infants and the unborn human fetus

David Sahn

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Technical considerations and the instrumentation used for pediatric two-dimensional echocardiography and Doppler examination are reviewed. The configurations of sector scanners, the function of the mechanical versus phased array systems and considerations related to lateral, axial and aximuthal resolution requirements are discussed. The performance and requirments for echocardiographic scan converters and the requirements for pediatric display are reviewed. Methods of performing quantitative Doppler echocardiography are discussed because this technique provides new and important types of information of the evaluation of congenital heart disease. Considerations of Doppler velocity, Doppler spatial resolution and Doppler display requirements are presented. Characteristics of ultrasonic imaging devices for use in fetal echocardiography and fetal Doppler study are reviewed, and a brief overview of techniques for the extraction of information about the nature of ultrasound scatterers (that is, tissue signature) is presented. It is the purpose of this technically oriented discussion to present the capabilities, trade-offs and needs for future development relevant to pediatric echocardiography in 1983.

Original languageEnglish (US)
JournalJournal of the American College of Cardiology
Volume5
Issue number1 SUPPL.
StatePublished - 1985
Externally publishedYes

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Doppler Ultrasonography
Doppler Echocardiography
Fetus
Pediatrics
Information Storage and Retrieval
Echocardiography
Heart Diseases
Ultrasonography
Equipment and Supplies

ASJC Scopus subject areas

  • Nursing(all)

Cite this

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