Chest pain is one of the most common reasons people call for emergency medical help and, according to MayoClinic.com, the reason for millions of visits to the ER each year.

A burning sensation accompanied by chest pain can be a symptom of many diseases or conditions. Some may be related to the heart, and others may be caused by the digestive system or neurological responses within the chest cavity.

Runners might expect to feel soreness in their legs or abdominal muscles after a run. However, some runners might experience chest pain while running, which isn't a typical effect of going on a run.

When your child complains of chest pain while exercising, you may worry that he has a heart condition. Chest pain due to a cardiac cause is extremely uncommon in children, according to the Cincinnati Children’s Hospital. Pain often originates from an injury, illness or asthma rather than from a heart problem.

Chest pain, with or without burping, can be caused by many factors, ranging from indigestion or a pulled muscle to serious events like cardiac arrest.

Most people are familiar with chest pain as a symptom of heart attack, but many think the telltale pain is confined to the left side. However, chest pain before a heart attack -- especially during strenuous exercise -- can occur anywhere in the chest.

If you've been lifting weights and working out, it's fairly likely that those workouts have caused the chest pain you're experiencing. Strain and inflammation in your muscles or connective tissue can result in pain that feels like it's centered in your chest.

Gas pains are a normal occurrence. Although such disturbances are not life-threatening, they can be painful, annoying and disruptive to your daily routines. There are several possible causes of gas pains occurring in the chest, including irritable bowel syndrome, or IBS, a bad diet or cardiovascular disease.

Jaw pain and chest pressure are two of the classic signs of a heart attack, although the American Heart Association notes that jaw pain as a heart attack symptom is more likely to appear in women. Jaw pain and chest pressure can also indicate a condition called angina pectoris that results from coronary artery disease.

Heart disease or heart attacks typically cause pain in the chest wall, but other minor problems and urgent medical conditions can also contribute. Chest pain can also vary among individuals and is often described as an aching, dull, sharp or stabbing sensation in the chest, sternum and the ribcage.