Table 3.

Types of modes of ventilation for noninvasive support

Modes	Description	Indication*
CPAP	Constant airway pressure	Recommendation: in cardiogenic APE, PO of abdominal surgery, andmild/moderate sleep apnea
	Spontaneous ventilation
BIPAP (BILEVEL)	Two pressure levels (IPAP and EPAP)	Recommendation: in acute hypercapnia, for respiratory muscle rest; in cardiogenic APE; and in immunosuppressed individuals with infection
	Flow cycled

CPAP - continuous positive airway pressure; BIPAP - bilevel positive airway pressure; APE - acute pulmonary edema; PO - postoperative period; IPAP - inspiratory positive airway pressure; EPAP - expiratory positive airway pressure.

^*except when contraindicated.