ischaemia
C1CEFR level
78/100Rarity: rare
TechnicalRegister
An inadequate blood supply to a tissue, depriving it of oxygen relative to metabolic demand.
Exertional angina signals myocardial ischaemia when coronary flow cannot match demand.
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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