A 63 year old male who is known to
have chronic obstructive pulmonary disease presents with increasing
breathlessness and cough productive of purulent sputum .On examination you
note that he is breathless, tachycardic and auscultation of his chest reveals
widespread rhonchi and crepitations.
Blood gases show pH 7.32, PaCO2
8.9 kPa, PaO2 6.8 kPa, Bicarbonate 37 mmol/L
In this patient which one of the
following states would best describe his condition?
Metabolic acidosis with respiratory compensation
Respiratory acidosis with metabolic compensation
Metabolic alkalosis with respiratory compensation
Respiratory alkalosis with metabolic compensation