There are multiple definitions:

1. no known allergies(English)

   • NKDA
   • Allergy, Anamnesis

2. Na+/K+-ATPase(English)

   • inhibition by ouabain
   • ATP, CICR, ER, THAPSI, 2-APB
   • Sodium, Potassium, Calcium
   • https://doi.org…eca.2011.06.002