Abstract
Multiple-gated acquisition (MUGA) blood-pool ventriculography has been established as a useful non-invasive method to evaluate ventricular size and function [1–5]. Phase image analysis, a computer-derived function obtained by application of temporal Fourier analysis [6, 7] to the ECG-gated blood-pool study, has recently expanded the information gained from this procedure. Phase analysis is based upon the interrelationship of the time versus radioactivity curves among 4,096 picture elements (pixels) comprising the overall image of the ventriculogram. Thus, the phase analysis creates a visual image of the pattern of ventricular emptying. In the absence of severe mechanical abnormalities, contraction follows conduction [8], and the phase image displays the pattern of intraventricular conduction [9, 10].
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© 1987 Martinus Nijhoff Publishing
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Campbell, R.M., Dick, M., Chan, W.C., Kalff, V., Thrall, J., Jenkins, J.M. (1987). Supraventricular Tachycardia: Detection and Location of Accessory Connections by Phase Mapping in Children. In: Liebman, J., Plonsey, R., Rudy, Y. (eds) Pediatric and Fundamental Electrocardiography. Developments in Cardiovascular Medicine, vol 56. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-2323-5_12
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DOI: https://doi.org/10.1007/978-1-4613-2323-5_12
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