A jump in the middle of the chest may be due to physiological factors such as strenuous exercise, or pathologic factors such as cardiogenic diseases. 1. Physiological reasons. In the case of strenuous exercise, mental tension, etc., causing the sympathetic plexus in the chest to produce hyperactivity, resulting in functional dilation of blood vessels, thus appearing in the middle of the chest jumping phenomenon. 2. Pathological reasons. Patients suffering from cardiomyopathy, mitral valve prolapse, rheumatic heart disease and other cardiogenic diseases, structural lesions of the heart tissue, thus affecting the diastolic and contractile functions of the heart, leading to the emergence of premature ventricular contractions, resulting in the emergence of the symptoms of the above symptoms. Suffering from hypertension, hyperthyroidism, ischemic anemia and other diseases. Due to the increase of metabolism in the body, it causes the excitation of sympathetic nervous tissue, which leads to a significant increase in heart rate and the appearance of the above symptoms. You should go to the hospital in time for treatment of the symptoms.