Chest compression did not decrease the ventilation success rate of the four intubating SGDs ( without chest compression ( success/total ) : air-Q , 19/20 ; aura-i , 19/20 ; i-gel , 18/20 ; Fastrack , 19/20 ; with chest compression : air-Q , 19/20 ; aura-i , 19/20 ; i-gel , 16/20 ; Fastrack , 18/20 ) .