Diuretics in CHF

Diuretics in CHF

Diuretics increase excretion of Na+ ions from the kidney. As a result, water is excreted as well, which lowers plasma volume, extracellular fluid, cardiac output, and hence blood pressure.

Two classes of diuretics are applied in the treatment of the symptoms of heart failure.

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Why is a diuretic benefial for treatment of heart failure? Choose the most correct answer.