CPAP and BiPAP machines look nearly identical but their features and capabilities are very different. CPAP and BiPAP are both types of positive airway pressure therapy that help people with sleep apnea breathe better at night. However, they have some differences in how they deliver the air pressure.
The main difference between CPAP and BiPAP is that CPAP provides a single and constant pressure level for both inhalation and exhalation, while BiPAP provides two different pressure levels for inhalation and exhalation. This means that BiPAP can lower the pressure when you breathe out, making it easier and more comfortable for some people.
Another difference is that CPAP is usually recommended for obstructive sleep apnea, which is caused by a blockage or collapse of the airway, while BiPAP may be preferred for more severe cases of sleep apnea or when another condition such as COPD is present. BiPAP can also be used to treat central sleep apnea, which is caused by a lack of signals from the brain to the respiratory muscles.
Both CPAP and BiPAP machines require a prescription from your doctor and a sleep study to determine the optimal pressure settings for your needs. They also use similar masks, hoses, and accessories, but BiPAP machines are usually more expensive and complex than CPAP machines
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