Digital recording, display, and storage of echocardiograms.

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

Digital acquisition, display, and storage are new options available for handling echocardiographic images. These types of image management offer many practical advantages and are excellent supplements to standard videotape recordings. For routine M-mode and Doppler studies this digital approach, when combined with videotape, can virtually eliminate the necessity for strip chart recordings. Probably the principal advantage of digital storage techniques is for two-dimensional echocardiography. The continuous loop display is extremely convenient for rapid review, quantitation, and serial studies. When considering the implementation of these techniques, there are many limitations and practical considerations that must be kept in mind. Recording two-dimensional echocardiograms in a continuous loop mode requires that the same number of frames or cells must be used if one wants to display more than one image simultaneously. When creating a continuous loop of a single cardiac cycle, the number of cells and the interval between cells are greatly influenced by the heart rate. One must be able to display simultaneous images with varying heart rates. Last, the number of cells, the resolution, and the gray scale determine the amount of digital information that has to be stored, retrieved, or transmitted. The cost and size of the medium and the speed with which the images can be retrieved or transmitted become factors in how one elects to digitally acquire this information. One approach that has been used, which seems to work quite well in most cases, is to use an eight-cell sequence for two-dimensional echocardiograms. When primarily interested in looking at ventricular function, especially regional wall motion, a 50 msec interval between frames is most appropriate.(ABSTRACT TRUNCATED AT 250 WORDS)

Original languageEnglish
Pages (from-to)378-383
Number of pages6
JournalJournal of the American Society of Echocardiography
Volume1
Issue number5
StatePublished - Sep 1988

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Videotape Recording
Cell Count
Heart Rate
Ventricular Function
Echocardiography
Cell Cycle
Costs and Cost Analysis

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Digital recording, display, and storage of echocardiograms. / Feigenbaum, Harvey.

In: Journal of the American Society of Echocardiography, Vol. 1, No. 5, 09.1988, p. 378-383.

Research output: Contribution to journalArticle

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