Middle back pain: Introduction. Middle back pain: Back pain in the middle back area. See detailed information below for a list of 31 causes of Middle back pain, Symptom Checker, Assessment Questionnaire, including diseases and drug side effect causes. Â» Review Causes of Middle back pain: Causes | Symptom Checker Â» | Assessment Questionnaire Â».
A cardiologist explains possible causes of left side chest pain when exhaling. For this article I consulted with Dr. Donna P. Denier, MD, F.A.C.C., Faculty Clinical Cardiologist at South Nassau Communities Hospital, Oceanside, NY.
Left-sided Heart Failure. The left side of the heart brings oxygen-rich blood from the lungs through the left atrium to the left ventricle, then out into your body. When the left side of your heart is damaged or canât pump as well, it has to work harder to send blood through your body. This causes fluid to build up in your body, especially the lungs. Thatâs why shortness of breath is one of the most common symptoms of heart failure.