5 Subtle Signs That May Suggest Heart Trouble – And When to See a Doctor

You’re sleeping well. Eating okay. But you feel drained — all the time.

This kind of fatigue isn’t normal.

When your heart can’t pump efficiently, oxygen delivery drops — leaving you tired, weak, and unable to handle daily tasks.

✅ Common in:

  • Heart failure
  • Coronary artery disease
  • Women before a heart attack (often dismissed as stress or anxiety)

🩺 Don’t ignore persistent exhaustion — especially if new or worsening.


2. Shortness of Breath During Normal Activities

If you get winded walking to the mailbox, climbing stairs, or lying flat — it could be more than poor fitness.

This may mean your heart isn’t moving blood effectively, causing fluid to back up into the lungs.

✅ Often appears with:

  • Swelling in legs/ankles
  • Waking up gasping at night
  • Needing extra pillows to sleep comfortably

💡 Known as dyspnea — a key sign of heart strain.


3. Swelling in Legs, Ankles, or Feet (Edema)

Puffiness that leaves an indentation when pressed may signal fluid retention — a common sign of weakened heart function.

When the heart struggles, blood backs up in the veins — forcing fluid into surrounding tissues.

⚠️ Other causes include kidney issues, liver disease, or venous insufficiency — but heart-related edema is often bilateral and progressive.

🩺 See a doctor if swelling persists or worsens.