1
Q
1-3 days post MI, risk of what?
A
Arrhythmia
Pericarditis
2
Q
3-7 days post MI, risk of what?
A
free wall rupture (leads to cardiac tamponade, death)
papillary muscle rupture (leads to acute mitral regurgitation)
3
Q
10 days-2 weeks, risk of what?
A
Dressler syndrome (autoimmune) Cardiogenic shock
4
Q
2+ months, risk of what?
A
aneurysms (lead to thrombus, stroke)
5
Q
<24 hrs post MI, macroscopic + microscopic
A
MACRO
-cut surface pallor
MICRO
- wavy fibers
- contraction band necrosis
- eosinophilia
6
Q
1-3 days post MI, macroscopic + microscopic
A
MACRO
- mottling
- tan infarct center
- hemorrhage
MICRO
- PMNs
- necrosis
7
Q
3-7 days post MI, macroscopic + microscopic
A
MACRO
- hyperemic border
- central pale yellow necrosis
MICRO
- pigment laden macrophages
- fibroblast proliferation
- collagen
- early granulation
8
Q
10 days- 2 weeks post MI, macroscopic + microscopic
A
MACRO
-gelatinous area
MICRO
-late granulation tissue
9
Q
2+ months post MI, macroscopic + microscopic
A
MACRO
-fibrotic, white
MICRO
-scar
