Why it’s serious: May indicate heart failure or a blocked artery.
🚨 Emergency? If paired with chest pain or dizziness—seek help.
⚠️ 3. Extreme Fatigue (Sudden & Unexplained)
What it feels like: Overwhelming tiredness even after rest.
Why it’s serious: Your heart may be struggling to pump blood efficiently.
🚨 Emergency? If fatigue comes with swelling in legs (fluid buildup).
