Summary
A family is reported in which the father and both offspring suffered from sick sinus syndrome (SSS) accompanied by degenerative myopia in the two elder of the three family members. In all three individuals, the basic manifestations of the SSS were total sinus arrest with secondary AV junctional rhythm at a normal rate. Only the 7-year-old boy also exhibited paroxysmal atrial flutter and ventricular asystole lasting up to almost 7 s. Since he had, furthermore, recently sustained a left hemiparesis, a ventricular demand pacemaker was implanted. Chronic atrial fibrillation was eventually established in the father in whom observations were available for 16 years. Myopia of-11 D and-4.5 D, respectively, existed in the father and his 14-year-old daughter. The familial association of this defect with SSS suggests a hitherto undescribed genetic syndrome, presumably with underlying autosomal dominant transmission of the two traits.
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Onat, A. Familial sinus node disease and degenerative myopia—a new hereditary syndrome?. Hum Genet 72, 182–184 (1986). https://doi.org/10.1007/BF00283944
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DOI: https://doi.org/10.1007/BF00283944