An inflatable bag with an electrode, and bronchial catheter for monitoring cardiac pacing defibrillation the inflatable bag comprises a first elastic material, a second elastic material and an electrode (9) both ends of the first elastic material (6) are circumferentially bonded to the outer surface of a catheter (66), and the cross-section of the first elastic material (6) is an arch shape the size of the second elastic material (8) is greater than the size of the first elastic material (6) both ends of the second elastic material (8) are also circumferentially bonded to the outer surface of the catheter (66), and the cross-section of the second elastic material (8) is also an arch shape after being bonded to the outer surface of the catheter (66), the second elastic material (8) enwraps the entire first elastic material (6) a certain distance is maintained between the outer surface of the first elastic material (6) and the inner surface of the second elastic material (8) at least one exhaust vent (80) is disposed on the second elastic material (8) the electrode (9) is adhered to the outer surface of the second elastic material (8) a conducting wire (60) is accommodated in a gap between the first elastic material (6) and the second elastic material (8), and passes through the second elastic material (8) to electrically connect to the electrode (9).Linvention concerne un sac gonflable ayant une électrode, et un cathéter bronchique pour surveiller une défibrillation de stimulation cardiaque le sac gonflable comprend un premier matériau élastique, un second matériau élastique et une électrode (9) les deux extrémités du premier matériau élastique (6) sont reliées de façon circonférentielle à la surface extérieure dun cathéter (66), et la section transversale du premier matériau élastique (6) a une forme darc la dimension du second matériau élastique (8) est plus grande que la dimension du premier matériau élastique (6) les deux extrémités du second matériau élastique (
