infarction
Area of ischemic necrosis
Classification based on colour
red
white
based on Presence or absence of microbial infection
bland
septic
White (anemic) infarcts
Arterial occlusions in solid organs with end arterial circulation e.g. heart, spleen, kidney
Continuous venous drainage
Red (hemorrhagic) infarcts
Arterial occlusion in an organ with dual blood supply
An organ that has loose parenchyma (lung)
Septic infarctions
Occur when infective endocarditis vegetations embolize or when microbes seed necrotic tissue (dry gangrene to wet gangrene)