Ventilatory support in the field

Ventilatory support during cardiopulmonary resuscitation can be accomplished with an array of methods and devices. These run the gamut from expired air resuscitation, including mouth-to-mouth and mouth-to-mask, to the use of ventilators including ventilator-to-mask and ventilator-to-artificial airway techniques. Appropriate application of these techniques depends on the clinical situation, rescuer training, and availability of equipment. This article discusses the proposed standards of emergency ventilatory support, the advantages and disadvantages of the techniques and devices used, and current controversies surrounding this topic.