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Progressive familial heart block (type I). A follow-up study after 10 years
P L Van der Merwe1, H W Weymar, M Torrington
1Department of Paediatrics and Child Health, University of Stellenbosch, Parowvallei, CP.
Abstract:
A follow-up study was done on 55 patients, all members of families with type I progressive familial heart block (PFHB) examined during 1977. Of the 55 patients 5 had died, 17 had normal ECGs while 7 with previously abnormal ECGs remained unchanged. All the others had progressed to a more severe form of heart block and 8 of them had received permanent pacemakers. These findings again emphasize the importance of regular ECG follow-up examinations of members of PFHB families.