Abstract:
:The temporal and spatial pattern of left ventricular (LV) contraction and relaxation in 34 patients with isolated lesions of the left anterior descending artery (LAD) were studied from the LV cineangiogram in the right anterior oblique position using a computer interactive technique. The LV outline was divided into 100 equiangular radii from the center of the enddiastolic silhouette and the trajectory of contraction and relaxation of each radius measured and displayed. Patients were divided into different subsets. Classical anterior wall infarction caused impaired contraction of the distal two thirds of the anterior wall, the apex and the distal quarter of the inferior wall, with marked delay in contraction and relaxation of the border zones and hyperkinesis of the inferior wall. Spatial and temporal disturbances (akinesis and asynchrony) were marked in the other subsets. Left bundle branch block caused profound temporal delay particularly during relaxation.
journal_name
Cardiologyjournal_title
Cardiologyauthors
Gotsman MS,Welber S,Sapoznikov D,Freiman I,Rosenman D,Lotan Cdoi
10.1159/000173980subject
Has Abstractpub_date
1986-01-01 00:00:00pages
22-46issue
1eissn
0008-6312issn
1421-9751journal_volume
73pub_type
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