infarct
Concise Oxford English Dictionary © 2008 Oxford University Press:
infarct /ˈɪnfɑːkt, ɪnˈfɑːkt/
▶noun Medicine a small localized area of dead tissue resulting from failure of blood supply.
– origin C19: from mod. L. infarctus, from infarcire ‘stuff into or with’.
'infarct' also found in these Oxford entries:

