Chest pressure, tightness, squeezing, or pain lasting more than a few minutes or coming and going
Pain or discomfort spreading to the arm, shoulder, back, neck, jaw, or upper stomach
Shortness of breath
Cold sweat
Nausea or vomiting
Lightheadedness or dizziness
Unusual fatigue or weakness
Sudden anxiety or a feeling of doom
Symptoms that started during physical activity or stress
Symptoms that did not improve with rest
Severe symptoms lasting more than 5 to 10 minutes
New symptoms in someone with high blood pressure, diabetes, high cholesterol, smoking history, or prior heart disease
A medical evaluation with an ECG, blood tests, and doctor assessment
Emergency care if symptoms are happening now or happened recently