ABG
- **Tells us about O2 and CO2 saturation in the blood.
- **Very important during management of
- Acute Asthma
- Acute COPD exacerbations and respiratory failure.
- Repeated measurements may be needed.
- VBG( venous blood gas) is an acceptable alternative but not so accurate as ABG.
- Normal blood pO2 : 80-100mmHg / / pCO2 : 35-45 mmHg