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What is Left ventricular hyperophy is caused by all except: September 2005 and explain in detail?
Ans. B: Chronic cor pulmonale Chronic elevation of myocardial stress due to pressure overload, as in hypeension or aoic stenosis or hyperophic cardiomyopathy, causes cardiac muscle to hyperophy with a resulting increase in myocardial thickness. There is normally little or no change in overall cardiac size, so the wall thickening occurs at the expense of the cavity. Chronic cor pulmonale leads to right ventricular hyperophy