Common diseases of the heart that cause posterior back pain include pericarditis, myocarditis, cardiomyopathy, heart valve disease, angina pectoris, and myocardial infarction. The pain caused by heart disease has its own characteristics in terms of location, nature, duration, factors affecting the pain and accompanying symptoms.1. Location. The posterior back pain caused by heart disease is located on the back of the left shoulder, sometimes radiating to the left arm and fingers, the axilla, the upper jaw of the left side of the face or the upper abdomen.2. Nature. The pain of angina pectoris and myocardial infarction is severe pressure-like pain with a choking sensation, while pericarditis is vague, dull or stabbing pain. 3, duration. Pericarditis, myocarditis, myocardial infarction and other causes of persistent pain, angina pectoris due to paroxysmal. Generally 1-5 minutes. 4. Influencing factors. The pain caused by heart disease may occur during exertion, mental stress and other increased work of the heart. 5. Pain due to heart disease may be accompanied by pallor, profuse sweating, decreased blood pressure or shock, etc.