Breathing o Mouth to mouth or mouth to nose o Mouth to oropharyngeal tube o Mouth to shield Mouth to mask(compressing the cricoid cartilage in order to decrease gastric distention and prevent gastric refle) Bag-mask ventilation challenged endotracheal intubation- resuscitation’s“ gold standard”Breathing • Mouth to mouth or mouth to nose • Mouth to oropharyngeal tube • Mouth to shield • Mouth to mask(compressing the cricoid cartilage in order to decrease gastric distention and prevent gastric reflu) • Bag-mask ventilation challenged endotracheal intubation – resuscitation’s “gold standard