<prompt> a known case of COPD with acute exacerbation of copd is managed in icu following is not true ?NIV is not indicatedo2 inhalationsalbutamol inhalationiv dexamethasone  <response>: Role of NIV in Treating Acute COPD Preferred therapy for exacerbations of COPD in the acute setting Respiratory acidosis: PaCO2?_ 45 mmHg 6.0 kPa Aerial pH 7.35 Improves oxygenation, increases pH, and decreases PaCO2 Decreases respiratory rate, work of breathing can help overcome auto-PEEP, and severity of breathlessness - Success rates up to 85 ref : willey 10th ed 