difference between cpap and bipap

CPAP Vs BiPAP

Continuous positive airway pressure (CPAP)

Non invasive mode of ventilation via nasal or face mask.

Types of positive airway pressure. CPAP delivers constant pressure in both cycle of respiration in a spontaneous breathing patient.

CPAP delivers the same amount of pressure at all times. 

Used for common treatment for obstructive sleep Apnea and eliminate snoring.

Bilevel positive airway pressure (BiPAP)

Non invasive mode of ventilation via nasal or face mask.

Two level positive airway pressure.

Type of Positive Airway pressure.

BiPap has two different pressure level.

1. Inspiratory positive airway pressure (IPAP)

2. Expiratory positive airway pressure (EPAP)

Higher pressure when breathing in and lower pressure in breathing out.

BiPAP delivers higher air pressure when you breathe in. 

CPAP machines are primarily used to treat Obstructive Sleep Apnea (OSA) while BiPAP machines are used to treat Central Sleep Apnea, Complex Sleep Apnea, or COPD.