Heart failure and an enlarged heart

An enlarged heart, also called dilated cardiomyopathy, is an increase in the size of the heart. Your doctor may notice this during a physical exam or chest X-ray. One cause of an enlarged heart is a condition that causes the heart to work harder, such as hypertension or valve disease. An enlarged heart puts you at risk for heart failure. Your doctor will evaluate you to determine why your heart has grown bigger and will treat you to improve heart function as well as to prevent further progression.

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