When you hear a sound, your heart will stutter, which may be a physiological reaction, or it may be a heart problem, such as coronary heart disease, cardiac neurosis, and so on. 1. Physiological response: hear the sound of the heart thumping may be too loud, too sudden, or too focused on something and in a state of emotional tension, etc., generally belong to the normal situation, may not be a heart problem. 2. Coronary heart disease: refers to the heart to supply the heart muscle blood and nutrition of the coronary artery blockage, narrowing, hardening and other lesions, resulting in myocardial ischemia ischemia and hypoxia of a class of diseases, can be manifested as fatigue, palpitations (heartbeat accelerated, often accompanied by panic), chest tightness and other symptoms. This kind of patient is easy to have a seizure when emotionally excited, and appear to hear the sound of the heart thumping. 3. Cardiac neurosis: it is a relatively common cardiovascular disease, which can be manifested as shortness of breath, palpitations (rapid heartbeat, often accompanied by panic), chest tightness and other clinical symptoms. This kind of patients are easy to be irritable, anxiety, nervousness and other emotional instability under the condition of the attack, appeared to hear the sound of the heart stuttering symptoms. The presence of the above factors, to exclude physiological reactions, should be timely medical care, a clear diagnosis, if necessary, the appropriate treatment.