If the patient has chest tightness and back pain, this situation is highly considered to be due to angina attack, and the radiating pain triggers the pain in the back. Generally speaking, due to the left side of the back pain is the main, for such patients, can be sublingual nitroglycerin or compound danshen drip pill, help to terminate the onset of this uncomfortable symptoms, if necessary, you can also measure the heart rate and blood pressure, and do an electrocardiogram examination. Some patients may also suffer from high blood pressure, which may induce myocardial ischemia and chest tightness and chest pain, as the pressure load on the heart increases with elevated blood pressure. For such patients, the combination of oral antihypertensive drugs, such as nifedipine extended-release tablets, or perindopril, to control blood pressure below 130/80 mmHg, will help to better prevent the onset of angina symptoms.