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Question:
I have hypertrophic cardiomyopathy. Why do I have a dilated left atrium?
I have hypertrophic cardiomyopathy and had ICD implanted 2 years ago. Recently I had an echo which shows my LV is in better condition than 2 years ago, however, I found out that I have severe left atrial dilation. I should say that my blood pressure is always between 95-110. I do not have A-fib or heart failure. I will appreciate if you explain for me the cause of my LA dilation.
submitted by Dana from MD on 10/20/2017
Answer: 
Dear Dana: The left atrium is dilated most likely because the left ventricle is thickened and has lost some "elasticity".
by Texas Heart Institute cardiologist, Roberto Lufschanowski, MD
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Updated October 2017
