Chronic Atrial Flutter in Brothers with the Marfan Syndrome.

Case 1 A young man (P.W.) aged 19 years had severe bilateral foot-drop caused by weakness of the anterior tibial muscles. He had previously undergone uneventful operations for triple arthrodesis of the right foot and for transplantation of tendons. In June 1961 he was readmitted to the hospital for the first of similar operations on the left foot, but was found to have a highly irregular pulse rate. He was digitalized and discharged home. The arrhythmia persisted and he was referred 2 months later for further management to the West Virginia University Hospital. He was a tall thin youth with a pinched adenoidal facies, a receding mandible, an extremely high and narrow palate, an elongated head and mild dysarthria. His eyes were normal. The subcutaneous tissue was sparse and muscle tone was poor. The feet were long and thin; there