Why are diuretics used in heart failure?
Diuretics are an integral part of heart failure treatment, along with other medications to treat the underlying cause of heart failure. Diuretics help the kidneys flush out the excess fluid and maintain normal blood volume.
The elimination of excess fluid reduces pressure in the veins and the overload of venous blood into the heart. As a result, the heart requires less effort to pump out blood, and the blood pressure in the arteries drops. The fluid accumulated in the lungs and other tissues drains back into the circulation, providing symptom relief.
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