What is an early indicator of heart failure?

Weight gain is considered an early indicator of heart failure because it often signifies fluid retention, a common issue in patients whose hearts are unable to pump effectively. When the heart's function is compromised, fluid can accumulate in the body, leading to increased weight. This weight gain can appear quite suddenly, making it a critical warning sign for clinicians to assess further for potential heart failure.

In patients with heart failure, monitoring weight regularly can be a useful tool for early detection and management. An unexpected increase in weight over a short period, generally more than 2-3 pounds in one day or 5 pounds in a week, should prompt healthcare providers and patients alike to consider heart failure as a possible cause and investigate accordingly.

The other options, while related to cardiovascular health, do not serve as as reliable early indicators. Chest pain can occur in various conditions and may not directly indicate heart failure. Shortness of breath is indeed a symptom of heart failure but often signifies more advanced disease or acute exacerbation rather than an early stage indicator. Similarly, fatigue is common in many health issues and does not specifically signal the onset of heart failure.