A Appendix 1 - notation & abbreviations
A.1 Notation
For the hypothetical substance, X:
- \(\text{plasma concentration }= P_{X}\)
- \(\text{urine concentration }= U_{X}\)
- \(\text{clearance }= C_{X}\)
- \(\text{exchangeable X }= X_{e}\)
A.2 Glossary of abbreviations
| Term | Abbreviation |
|---|---|
| anion gap | \(AG\) |
| corrected anion gap | \(cAG\) |
| creatinine | \(creat\) |
| electrolyte-free water | \(H_{2}O(e)\) |
| osmolality (in mOsm/kg) | \(Osm\) |
| osmolar gap | \(OG\) |
| osmolar load (in milliosmoles, mOsm) | \(OL\) |
| other effective osmoles | \(OEOs\) |
| total body water | \(TBW\) |
| transtubular potassium gradient | \(TTKG\) |
| urinary anion gap | \(UAG\) |
| urinary osmolar gap | \(UOG\) |
| urine flow rate | \(\dot{V}\) |
| urine volume | \(V\) |