How is moderate aortic stenosis defined in terms of valve area?

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Moderate aortic stenosis is specifically defined by a valve area that falls within the range of 1.0 cm² to 1.5 cm². This classification is important because it helps guide management and treatment decisions for patients suffering from this condition.

In the setting of aortic stenosis, the normal aortic valve area is generally considered to be greater than 2.0 cm². As the area decreases due to the narrowing of the valve, it becomes classified into different categories: mild, moderate, and severe.

When the valve area is between 1.0 cm² and 1.5 cm², the hemodynamic burden on the heart increases, leading to potential symptoms and requiring more careful monitoring and potential intervention compared to mild cases. Therefore, understanding and recognizing this range is essential for healthcare providers in assessing and managing patients with aortic stenosis effectively.

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