Chest pain is pain that is located in the middle of the chest. The symptom is accompanied by difficulty breathing, interruptions in the work of the heart. Soreness occurs in diseases of the respiratory and cardiovascular systems, hyperacid conditions, tumors of the mediastinum. To determine the cause of retrosternal pain, an ECG, ultrasound of the heart, radiography, and laboratory tests are performed. To stop unpleasant symptoms, prescribe antianginal drugs, antacids, anti-inflammatory drugs.