SOB

Question 1

Important indications for NIV?

Answer 1

• COPD with respiratory acidosis pH 7.25-7.35*
• type II respiratory failure secondary to chest wall deformity, neuromuscular disease or obstructive sleep apnoea
• cardiogenic pulmonary oedema unresponsive to CPAP
• weaning from tracheal intubation

Question 2

Recommended settings for BiPap in COPD?

Answer 2

• Expiratory Positive Airway Pressure (EPAP): 4-5 cm H2O

* Inspiratory Positive Airway Pressure (IPAP): RCP advocate 10 cm H20 whilst BTS suggest 12-15 cm H2O