| PaCO2 | Carbon Dioxide Pressure; amount of CO2 in arterial Blood |
|---|---|
| PaO2 | Oxygen Pressure; amount of O2 in arterial blood |
| ad | add [Lat. adde] let there be added [up to a specified amount] [Lat. addetur]; axiodistal; right ear ... |
| AIEP | amount of insulin extractable from pancreas |
| AMS | ablepharon-microstomia syndrome; acute mountain sickness; adenosylmethionine synthetase; aggravated ... |