Sudden stabbing pains in the heart can be caused by intercostal neuralgia, cardiac neurosis or coronary heart disease. 1. Intercostal neuralgia: Sudden stabbing pain in the heart a few times may be intercostal neuralgia. It is often related to the distribution of the nerves between the ribs, coughing or breathing hard can appear pain, some patients last for a few seconds, the general application of pain medication can help relieve. 2. Cardiac neurosis: cardiac neurosis can also appear in the mouth of the heart transient tingling, most of the activities or fatigue rather than at that time, encourage patients to exercise, if necessary, do psychological counseling to help improve the symptoms. 3. Coronary heart disease: coronary heart disease is the most important manifestation of chest pain, pain duration can be long or short, can occur after activities, can also occur in quiet. A few sudden stabs of pain in the heart may be a sign of coronary heart disease. The disease includes medication, intervention and surgery. Commonly used drugs include antiplatelet drugs such as aspirin, lipid-lowering drugs such as atorvastatin, and nitrate drugs such as nitroglycerin. If you experience frequent stabbing pain in the heart, it is recommended that you go to the hospital for examination and treatment according to the doctor’s instructions to avoid delaying your condition.