A COPD patient was having pedal oedema for which thiazides were prescribed. Since he was complaining of excessive sleepiness an ABG sample was taken. Repo is pH= 7.42, pCO2= 67 mmHg and HCO3 = 42mEq with Na =140 mEq, K = 3.0, CL- =88 mEq. What is the diagnosis?
pCO2 - || 67 mmHg (N = 40 mmHg) Every 10 mm | pCO2= | HCO3- 1 meq 27mm |pCO2 = |HCO3- 2.7 meq CO2 retention : Respiratory acidosis Thiazides leads to dehydration which | GFR - | aldosterone- hypokalemic alkalosis.
ABG Analysis Simplified
Metabolic alkalosis with respiratory acidosis
Metabolic alkalosis with compensatory respiratory alkalosis
Metabolic alkalosis with metabolic acidosis
High anion gap metabolic acidosis with paradoxical aciduria
Metabolic alkalosis with respiratory acidosis