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.
1 Left-sided heart failure can cause pulmonary edema, as fluid shifts into the lungs. 2  The patient may develop rapid, shallow respirations, shortness of breath, and a cough. 3  Right-sided heart failure can cause pitting edema, a swelling in the tissue under the skin of the lower legs and feet.