![Aisha Shaikh a Twitter: "💥When UAG is not reliable to assess urine ammonium excretion then use: Ur. Osmolal Gap Ur. Osm. Gap >100 mOsm/kg=⬆️ ammonium excretion= Met. acidosis cause is extra-renal Limitations: Aisha Shaikh a Twitter: "💥When UAG is not reliable to assess urine ammonium excretion then use: Ur. Osmolal Gap Ur. Osm. Gap >100 mOsm/kg=⬆️ ammonium excretion= Met. acidosis cause is extra-renal Limitations:](https://pbs.twimg.com/media/EdOg85bXsAAe2Qp.jpg:large)
Aisha Shaikh a Twitter: "💥When UAG is not reliable to assess urine ammonium excretion then use: Ur. Osmolal Gap Ur. Osm. Gap >100 mOsm/kg=⬆️ ammonium excretion= Met. acidosis cause is extra-renal Limitations:
The influence of storage time and temperature on the measurement of serum, plasma and urine osmolality
![Aisha Shaikh on Twitter: "💥When UAG is not reliable to assess urine ammonium excretion then use: Ur. Osmolal Gap Ur. Osm. Gap >100 mOsm/kg=⬆️ ammonium excretion= Met. acidosis cause is extra-renal Limitations: Aisha Shaikh on Twitter: "💥When UAG is not reliable to assess urine ammonium excretion then use: Ur. Osmolal Gap Ur. Osm. Gap >100 mOsm/kg=⬆️ ammonium excretion= Met. acidosis cause is extra-renal Limitations:](https://pbs.twimg.com/media/EdOg8GxX0AUvNWd.jpg)