arterial blood gas
C2CEFR level
85/100Rarity: very rare
TechnicalRegister
A blood test taken from an artery to measure oxygen, carbon dioxide, and acid-base status.
We took an arterial blood gas to assess the degree of respiratory compromise.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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