It can cause pain similar to that caused by angina. However, it often causes a sharp, steady pain along the upper neck and shoulder muscle. Sometimes it gets worse when you breathe, swallow food, or lie on your back. Hypertrophic cardiomyopathy. read more
One of the most common causes of chest pain that is sharp like this is a strain of the muscles between the ribs, known as the intercostal muscles. The pain tends to occur only with deep breaths, but there many also be pain if you press over the involved region of the ribs. read more