How much should i worry about chest pressure?

Possibly very: Chest pressure can have many possible causes, including angina or heart attack. Spasm of the esophagus, muscle spasm, asthma, bronchitis are others that can cause a feeling of pressure in the chest. Do not self-diagnose this one; for chest pressure lasting over 15 minutes without clear cause esp if smoker, diabetic, family history of heart attack, high blood pressure or high cholesterol, call 911.

Can be serious: If due to heart disease, can have heart attack. Can be due to lung problems. Can be due to esophagus problem.