3. Shortness of Breath
Difficulty breathing during normal activities (walking, climbing stairs)
Can occur with or without chest discomfort
May feel like you can’t catch your breath
4. Pain in the Arm, Neck, Jaw, or Back
Often on the left side, but can be on the right or both
Jaw pain is especially common in women
May come and go, especially during activity
5. Nausea, Indigestion, or Dizziness
Feels like “the flu” or acid reflux
May be accompanied by cold sweats or lightheadedness
Often ignored — but can be a red flag
6. Sleep Disturbances
Waking up gasping or sweating
New or worsening insomnia
May be linked to reduced heart function at night
7. Anxiety or Sense of Doom
Sudden feelings of panic or unease
Not tied to stress or mental health
Some describe it as “knowing something is wrong”
🚨 When to Seek Help
Don’t wait.
If you or someone you love experiences:
Chest discomfort that lasts more than 5 minutes
Shortness of breath with or without chest pain
Pain spreading to the arm, jaw, or back
Cold sweat, nausea, or dizziness
👉 Call emergency services immediately.
⏱️ Delaying treatment can cause permanent heart damage — or death.