Emergency First Aid at Work Level 3 9. Choking 9. Choking Lesson Content 0% Complete 0/8 Steps 50. Choking 51. Signs of Choking 52. Mild Choking 53. Severe Choking 54. Choking (Adult & Child) 55. Choking (Infant) 56. Severe Choking that gets worse 57. Choking Practice Previous Topic Back to Course Next Topic