Myocardial Infarction - Type 1 vs Type 2


The key difference between Type I vs. Type II MI is the presence/absence Of plaque rupture


Myocardial Infarction Type 1 
 - Plaque rupture/erosion with 

occlusive thrombus 
 - Plaque rupture/erosion with 

non-occlusive thrombus 

 
Myocardial Infarction Type 2 
 - Atherosclerosis and oxygen 

supply/demand imbalance 
 - Vasospasm or coronary 

microvascular dysfunction 
 - Non-atherosclerotic 

coronary dissection 
 - Oxygen supply/demand 

imbalance alone 


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