.4%), and ALTE in 8 (4.8%). The causative role of primary acid GER in children with ALTE regarded to 4 children (50.0%) and GER secondary concerned 4 remaining children (50.0%). Mean number of ALTE episodes that appeared before admission to the hospital was similar in both study groups. The presence of typical reflux symptoms in 5 (62.5%) out of 8 children with ALTE symptoms on the basis of primary or secondary acid GER is significant