1: Unexplained fatigue could signal imminent heart trouble.

2: Shortness of breath, even at rest, may indicate impending heart attack.

3: Chest pain or discomfort should never be ignored.

4: Sudden dizziness or lightheadedness can be a warning sign.

5: Pain in your arms, back, neck, or jaw may be a red flag.

6: Nausea, indigestion, or heartburn could be an early warning.

7: Anxiety, cold sweats, or a sense of impending doom are concerning.

8: Irregular heartbeats or palpitations should not be overlooked.

9: Listen to your body and seek medical help if something feels off.

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