What is the primary purpose of using diuretics in CHF treatment?

The primary purpose of using diuretics in the treatment of congestive heart failure (CHF) is to reduce fluid overload. In CHF, the heart's ability to pump effectively is compromised, leading to fluid retention in the lungs and other tissues, which contributes to symptoms such as shortness of breath, swelling, and fatigue.

Diuretics work by increasing the excretion of sodium and water through urine, effectively decreasing the volume of fluid in circulation. This alleviates the symptoms of congestion and helps improve the patient's overall comfort by reducing the workload on the heart. By decreasing excess fluid, diuretics help to prevent complications associated with fluid overload, such as pulmonary edema and elevated blood pressure.

The other options, while they may play a role in overall cardiac management, do not directly pertain to the primary and immediate action of diuretics in this context. The main aim of diuretics is to target fluid balance and alleviate the symptoms associated with heart failure, making the reduction of fluid overload the primary focus of these medications.