Chest pain does not always mean a heart attack, while a heart attack is one of the serious causes of chest pain . There are many other common and less dangerous reason such as a acidity, gas, muscle strain or even anxiety. Heart releated pain is usually felt a pressure, tightness or heaviness in the chest and way to spread to the left arm, jaw or back, shortness of breath. It is important not to ignore chest pain especially if it is sudden, severe pr lastβs for more than few minutes.