A basis for determining body surface potential patterns attributable to single-site coronary arterial occlusion.
The authors focus on computational separation of the individual patterns of occlusion of the major segments of the right coronary artery. The raw patterns of occlusion throughout 15 standard subdivisions of the coronary arterial tree and body surface isoarea maps for 8 consecutive 10-msec intervals of QRS were examined in 200 patients with known coronary artery disease. Mean patterns of occlusion and of potential distribution were formed into 15 groups according to which patients showed greater than or equal to 90% occlusion of the respective segments. By diagonalization of the occlusion matrix, individual potential map patterns were obtained to represent the effect of isolated occlusion of each segment. While these patterns appeared consistent with the known anatomy of ventricular myocardial perfusion, further correlative study will be needed. The authors suggest that the use of such prototypical patterns of single-site obstruction may be helpful in forming and assessing recognition patterns in the clinical setting of multiple-site, multiple-vessel disease.
Horan
L G
LG
Cardiology Section, Veterans Administration Medical Center, Augusta, GA 30910.
Sridharan
M R
MR
Flowers
N C
NC
Killam
H A
HA
D003327:Coronary Disease / Q000175:diagnosis* / Q000473:pathology / Q000503:physiopathology; D003331:Coronary Vessels / Q000473:pathology; D004562:Electrocardiography; D004594:Electrophysiology; D006801:Humans; D012815:Signal Processing, Computer-Assisted