Progressive familial heart block: Part I. Extent of the disease
The original publication is available at http://www.samj.org.za
Progressive familial heart block (type I) has been identified in the RSA. Since 1977 many families have been referred for pedigree tracing. The present probands of some 9 pedigrees are the descendants of specific children of an immigrant; other genetic diseases appear in these pedigrees. The necessity of identifying, diagnosing and possibly treating the descendants of carriers is emphasized.
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