Tietze's syndrome is inflammation of the cartilage that joins your ribs to your breastbone (sternum).
Our Health A-Z contains more information on Costochondritis.
A pulmonary embolism is a blockage in the pulmonary artery, the blood vessel that carries blood from the heart to the lungs.
Our Health A-Z contains more information on Pulmonary Embolism.
Important: If you have these symptoms, they may be unrelated to any of these conditions listed. If you are concerned about your symptoms then you should see a doctor.