Khajotia RR and Sree Raman K
NIV is a form of ventilation which provides ventilator support through the patient's upper airways using a mask or other appropriate device. NIV is an effective treatment for patients with severe COPD. The beneficial effects of NIV have been particularly apparent in patients with acute hypercapnic respiratory failure (AHRF). BiPAP (Figure 1) and CPAP are the most common types of ventilators used in NIV, along with nasal masks and full-face masks.
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