PMC9130649_01
Arterial blood gas obtained during cardiopulmonary resuscitation, time of the result 4:11 PM.
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F1
In the next minute of CPR, arterial blood gas test was obtained and acidosis was found with severe hyperkalemia (cK + 10.2 meq/L; Figure 1). 10 ml of 10% calcium chloride were administered immediately, insulin (10U) with glucose (25 g) was infused and 60 meq of Natrium bicarbonicum 8.4% was administered.
Arterial blood gas obtained after recovery of spontaneous circulation, time of the result 4:22 PM.
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F2
Arterial blood gas was again taken, showing a decrease in potassium ions to 4.1 meq/L (Figure 2).