How Does COPD Affect Arterial Blood Gases?

How Does COPD Affect Arterial Blood Gases? In all patients with COPD there is the decrease of pH and PaO2 and an increase of PaCO2 during follow-up period that indicates that airflow limitation is progressive but in patients taking regular therapy treatment during remissions and exacerbations of illness both pH and PaO2 are statistically significantly