[Morphogenesis of the "myxedematous heart" after experimental thyroidectomy in rabbits]

Electrocardiographic, biochemical, morphohistochemical and ultrastructural changes in the rabbit's heart were studied after thyroidectomy. The data obtained suggested that the changes in the heart of the test animals were characteristic of the "myxedematous heart". Certain regularities in the dynamics of the tissue and structure changes in the myocardium depending on the postoperative period were revealed.