Lab case 381

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A young man with history of asthma, presented to the emergency department after taking an overdose of his asthma medication. He was tachypneic and had persistent tachycardia (Rate around 140). His venous blood gases showed the following:

PH = 7.22

pCO2 = 45 mmHg

pO2 = 36 mmHg

HCO3 = 17 mmol/L

Na = 147 mmol/L

K = 3.1 mmol/L

Cl = 109 mmol/L

Hb = 159 g/L

Glucose = 10.2 mmol/L

Lactate = 9.9 mmol/L

Creatinine = 81 umol/L

Carboxy Hb = 4.2 %

Questions:

  1. Interpret these results
  2. What are the potential causes
  3. How will you manage this case?