ocr: Index Click on Selection Adult Pulses- How to check Obstructed airway Adult Mouth-to-mouth Infant Chest compressions Ratios Airway Adult (1 person) breaths/compr. Breathing Adult (2 person) breaths/compr. Circulation Infant breaths/compressions Heimlich Maneuver Rolling an unconscious person Infant Using your head Obstructed airway Mouth-to-mouth Chest compressions