Final answer:
In cases of cardiac arrest with an advanced airway in place, ventilation should occur once every 6 to 10 seconds, or around 6-10 breaths per minute, to ensure proper oxygenation and carbon dioxide removal without over-ventilation.
Step-by-step explanation:
For cardiac arrest with an advanced airway in place, ventilate once every 6 to 10 seconds. This translates to approximately 6-10 breaths per minute. When an advanced airway is in place, such as an endotracheal tube or a laryngeal mask, continuous chest compressions are critical, and pauses in compressions should be minimized. The provision of adequate ventilation is essential to ensure oxygenation of the blood and removal of carbon dioxide. It is important to avoid over-ventilation as it can lead to increased intrathoracic pressure, which may decrease venous return to the heart and reduce cardiac output.