| A | B |
|---|
| negative pressure ventilators | exert their pressure on the external chest to pull it up. |
| positive pressure ventilators | push air into the lungs |
| control mode | has preset breaths and tidal volume, the patient can not trigger additional breaths |
| assist control mode | has preset breaths and tidal volume, if the patient takes additional breaths, the ventilator delivers the preset tidal volume. |
| intermittent manditory ventilation mode | has preset breaths and tidal volume, if the patient takes additional breaths, he receives the tidal volume he generated. |
| PEEP | delivers a short burst of positive pressure at the end of expiration to help keep the alveoli from collasping. |
| SIGH | a hyperinflation |
| CPAP | provides continuous positive airway pressure throughout respiration |
