Origin: Latin suffix -tion
Infarction has 2 different meanings across 1 category:
localized necrosis resulting from obstruction of the blood supply
"The sudden infarction in his heart muscle occurred when a clot completely blocked the coronary artery, cutting off oxygen to that specific area."
The process which causes an infarct.
"The sudden blockage of blood flow caused a fatal infarction in his heart muscle."