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. 2014 Mar;39(2):84–93.

Table 1.

Risk factors and pathophysiology of interatrial block

Potential risk factors Possible pathophysiology
Coronary artery disease Intracellular fibrotic changes
Cardiovascular risk factors Metabolic inclusions
Autoimmune disorders Ischemia
Amyloidosis  
Lymphoma  
Cardiomyopathy  
Congestive heart failure  
Valvular disorders  
Hypervolemia Atrial stretch