What Are the Early Signs of Congestive Heart Failure?

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Early signs of congestive heart failure, or CHF, include tiredness, shortness of breath, heart palpitations, and weakness or dizziness. Progression of the disease may result in shortness of breath even at rest, swelling, weight gain, coughing or wheezing, increased need to urinate at night, feeling bloated and nausea, according to WebMD.