Chest pain, pressure, tightness, or burning, especially with activity
Pain spreading to the arm, shoulder, back, neck, jaw, or stomach
Shortness of breath during activity or at rest
Unusual fatigue or weakness
Dizziness, lightheadedness, or fainting
Fast, slow, or irregular heartbeat
Swelling in the legs, ankles, feet, or abdomen
Trouble lying flat because of breathing problems
Waking up at night short of breath
Reduced ability to exercise or do usual activities
Nausea, sweating, or cold sweats with chest discomfort
Heart palpitations or fluttering sensations
Persistent cough, especially with swelling or shortness of breath
Blue or gray lips or fingertips
High blood pressure
High cholesterol
Diabetes
Smoking or vaping
Family history of heart disease
Obesity or excess abdominal weight
Lack of physical activity
If symptoms are severe, sudden, or worsening, seek emergency care immediately