Research Article
Clinical and Prognostic Significance of Idiopathic Left Bundle-Branch Block in Young Adults
Table 1
Baseline characteristics of patients: yrs = years; IHD = ischemic heart disease; PM = pacemaker; SD = sudden death; DCM = dilated cardiomyopathy;
patients also with familial IHD or LBBB.
| | | n. (%) |
| | N. cases | 56 | | Males | 38 (68%) | | Age on discovery of LBBB | 37 ± 11 median 40 | | Family history of | | IHD | 8 (14%) | | LBBB | 5 (8.9%) | | PM | 1 (1.7%) | | SD | 3 (5.2%) | | DCM | 1 (1.7%) | | Stable LBBB on discovery of LBBB | 40 (72%) | | Intermittent LBBB on discovery of LBBB | 16 (28%) | | AQRS <−30° | 37 (66%) | | AQRS ≥−30° | 19 (34%) | | QRS duration (m sec) | 149 ± 17 |
|
|
