Abstract
A novel technique for three-dimensional (3-D) mapping of left ventricular (LV) aneurysm is introduced, and utilized to map eight human hearts, studied in vivo by ultrafast tomography (cine-CT). The technique utilizes geometrical cardiograms (GCGs) to characterize the LV's 3-D geometry. The Karhunen-Loeve transform applied to a reference group of GCGs obtained from 10 healthy hearts can be reconstructed with a minimal mean square error (MSE) of approximation; the GCGs of abnormal hearts demonstrate a significantly larger MSE. 3-D maps of the LV indicating the suspected regions of aneurysm are obtained by studying the regional errors of approximation, and thresholding for a value that designates the limit for normal hearts. The maps are in good agreement with wall-thickness analysis.
| Original language | English (US) |
|---|---|
| Title of host publication | Proceedings of the Annual Conference on Engineering in Medicine and Biology |
| Publisher | Publ by IEEE |
| Pages | 230-231 |
| Number of pages | 2 |
| Edition | pt 1 |
| ISBN (Print) | 0879425598 |
| State | Published - 1990 |
| Externally published | Yes |
| Event | Proceedings of the 12th Annual International Conference of the IEEE Engineering in Medicine and Biology Society - Philadelphia, PA, USA Duration: Nov 1 1990 → Nov 4 1990 |
Other
| Other | Proceedings of the 12th Annual International Conference of the IEEE Engineering in Medicine and Biology Society |
|---|---|
| City | Philadelphia, PA, USA |
| Period | 11/1/90 → 11/4/90 |
ASJC Scopus subject areas
- Bioengineering