What is non-invasive ventilation (NIV)?

Delivery through full-face/ nasal mask, mainly pressure targeted (but maybe volume targeted in ICU Clinician sets inspiratory and expiratory pressures, doesn't guarantee constant Vt Used for acute hypercapnic failure in COPD, cardiogenic pulmonary edema, fever and pulmonary infiltrates in immunocompromised, post-extubation respiratory distress is possible Poor indications: imminent intubation with respiratory distress, hemodynamic instability, poor metal status, facual trauma, inadquate clearance of respiratory secretions, profound hypoxemia Should have monitoring (setting up, ABG...)