Peter P. Karpawich, M.D., professor of pediatrics and director of cardiac electrophysiology at Children's Hospital of Michigan, was an invited faculty speaker and chairman at the second International "Pedirhythm" Congress, held in Antalya, Turkey, June 15-18. His topics included "Applications of Alternative Pacing Sites in Children" and "Sudden Death and Defibrillator Therapy in the Young." He also presented original research work performed in collaboration with associate, Mark V. Zilberman M.D., assistant professor of pediatrics, on echocardiographic and tissue Doppler indices of paced atrial function in children. Presentations were published in the Turkish Journal of Arrhythmia, Pacing and Electrophysiology.