Lab case 398

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75 year old man was brought to ED by ambulance in VF cardiac arrest , CPR in progress. His venous blood gases showed the following

PH = 7.14

pCO2 = 53 mmHg

pO2 = 23 mmHg

HCO3 = 22 mmol/L

Na = 138 mmol/L

K = 5.4 mmol/L

Cl = 100 mmol/L

Hb = 167 g/L

Glucose = 12.5 mmol/L

Lactate = 4.6 mmol/L

Creatinine = 89 umol/L

Questions:

  1. Interpret these gases
  2. What are the parameters that you rely on to decide about termination of resuscitation?