trev343

It's an interesting idea. But still doesn't acknowledge the fact that pCO2 is to high for Metabolic Alkalosis. I wonder if the chemoreceptors that sense oxygen, are seeing the elevated pO2 and slowing ventilation to decrease O2 content, and as a side effect if the hypoventilation increasing the pCO2

Expected pCo2 is (.7*HCO3-)+20 plus of minus 5.. The pCO2 is higher than expected so it's a separate resp. acidosis. Do you know what the cause patients elevated oxygen?

Oh I understand those basics lol. What I don't understand is that there was no oxygen added to the patient, he just came in for an ABG, yet it says there was oxygen admin. Also, at first look it appears like Metabolic Alkalosis with compensating Respitory Acidosis. But when calculating for the expected pCO2, the number is expected to be lower. So it would seem to be co-existing Respiratory Acidosis and Metabolic Alkalosis, NOT a compensation.

[TABLE=class: components, width: 100%] [TR=class: odd, bgcolor: #FFFFFF] [TD=class: nameCol srchbl]pH, Arterial[/TD] [TD=class: valueCol]7.423 [/TD] [TD=class: rangeCol]7.350 - 7.450[/TD] [/TR] [TR=bgcolor: #FFFFFF] [TD=class: nameCol srchbl]pCO2 Arterial[/TD] [TD=class: valueCol]48.4 mmHg[/TD] [TD=class: rangeCol]35.0 - 45.0 mmHg[/TD] [/TR] [TR=class: odd, bgcolor: #FFFFFF] [TD=class: nameCol srchbl]pO2, Arterial[/TD] [TD=class: valueCol]121.2 mmHg[/TD] [TD=class: rangeCol]83.0 - 108.0 mmHg[/TD] [/TR] [TR=bgcolor: #FFFFFF] [TD=class: nameCol srchbl]Base Excess, Arterial[/TD] [TD=class: valueCol]5.8 mmol/L[/TD] [TD=class: rangeCol]-2.0 - 3.0 mmol/L[/TD] [/TR] [TR=class: odd, bgcolor: #FFFFFF] [TD=class: nameCol srchbl]Bicarbonate, Arterial[/TD] [TD=class: valueCol]31.6 mmol/L[/TD] [TD=class: rangeCol]21.0 - 28.0 mmol/L[/TD] [/TR] [TR=bgcolor: #FFFFFF] [TD=class: nameCol srchbl]O2 Sat, Arterial[/TD] [TD=class: valueCol]98.7 %[/TD] [TD=class: rangeCol]94.0 - 98.0 %[/TD] [/TR] [TR=class: odd, bgcolor: #FFFFFF] [TD=class: nameCol srchbl]O2 Admin[/TD] [TD=class: valueCol]21 [/TD] [TD=class: rangeCol] [/TD] [/TR] [TR=bgcolor: #FFFFFF] [TD=class: nameCol srchbl]Sample Type[/TD] [TD=class: valueCol]Arterial Can anybody shed light on what is going on here? What is 02 admin?[/TD] [/TR] [/TABLE]