There are multiple definitions:

1. umbilical artery catheter(English)

   • Neonatal situation

2. upper arm circumference(English)

   • orthostatic hypotension is associated with malnutrition in elderly hypertensive patients. Pertinent GLIM criteria include this upper arm circumference
   • CC, CGA, DM, FFMI, GLIM, HGS, OH
   • Aging, Hypertension, Nutrition
   • https://doi.org…877-022-03546-x