<prompt> Type II Respiratory failure is characterised by DavidsonLow PaO2 Low PaCO2Normal PaCO2 Low PaO2Low PaO2 High PaCO2High PaO2 Low PaCO2  <response>: Low PaO2High PaCO2 1684 -H17thRespiratory failure - PaO2 8.0 kPa 60mmHg and PaCO2 6.5 kPa 50 mmHgType 1 - PaO2 low, PaCO2 normal or lowType II - PaCO2 raised, PaO2 low - Ventilatory failure Most important - cause in chronic type II respiratory failure is - chronic bronchitis 