RT Journal A1 GLASSFORD GH, MOTAMEDY FF T1 SUccessful treatment of cardiac arrest during exchange transfusion JF A.M.A. Journal of Diseases of Children JO A.M.A. Journal of Diseases of Children YR 1959 FD May 1 VO 97 IS 5_PART_I SP 616 OP 617 DO 10.1001/archpedi.1959.02070010618012 UL http://dx.doi.org/10.1001/archpedi.1959.02070010618012 AB Introduction  Much consideration has been given to the potentially serious disturbances of electrolyte balance, blood volume, and other factors of homeostasis which can occur during exchange transfusion. The cardiotoxic effects of potassium coupled with hypocalcemia are well recognized. And yet the occurrence of cardiac arrest, which would be the expected clinical outcome of these derangements, has been reported with surprising rarity.Pew1 reported a case of cardiac arrest occurring during exchange transfusion, which was managed successfully by thoracotomy and cardiac massage. We wish to draw attention to another example of this phenomenon in order that it may be more frequently recognized and favorably treated.Report of a Case  This white boy appeared to be in excellent condition at birth, though he weighed only 4 lb. 1 oz. There was a Grade 2 systolic murmur on the left of the sternum. Thirty-six hours after birth, jaundice appeared, although liver and