THE ELECTROCARDIOGRAM IN MYXOEDEMA

Abstract

The characteristics of the electrocardiogram in myxcedema and their regression under adequate replacement therapy have been frequently discussed since they were defined (Zondek, 1918). However, a search of previous reports has revealed only sporadic studies concerned with the early effects of thyroid medication upon the electrocardiogram, either alone or in relation to the other parameters of thyroid function. The recent investigations in seven patients throw light upon several as yet ill-defined aspects of thyroid activity upon the heart muscle, and for this reason they are now reported. CASE REPORTS Case 1. A 46-year-old woman had been suffering from anginal pain for the past four years, without