Ischemic HD, Lomasney Flashcards
how long before you start to get irreversible cell injury? Contraction diminished?
20-40 mins, less than 2 mins
What happens in first day post MI
wavy fibers, swelling, coagulation necrosis, contraction bands, PMN’s start to infiltrate
What happens 3-5 days after MI
heavy infiltration of PMN’s, mottled, hemorrhage
What happens 5-7 days post MI
Macrophages, fibroblasts
What happens 2-4 weeks post MI
granulation tissue
What happens 1-2 months post MI
scarring
what is the most common cause of acute MI
plaque disruption with thrombus formation
what are some common complications of angioplasty? Stents? Vein grafts?
angioplasty causes tearing and dissection when effective, stents are thrombogenic, grafts undergo arterialization
Cardiac allograft vasculopathy
diffuse fibrous intimal thickening