Tachycardia, it is recommended to consult the ENT department first, after excluding otogenic and vascular factors, you can consult the endocrinology department, some medical factors such as hyperthyroidism, anemia, hypertension and arteriosclerosis can also cause tachycardia. 1. Otorhinolaryngology, tinnitus belongs to a common type of tinnitus in ear, nose and throat diseases, it is usually produced by the blood vessels and muscles of the head and neck, and some vascular lesions such as head and neck veins or arterial malformations and abnormalities of the veins at the base of the skull can cause tinnitus. 2. Internal diseases such as anemia, hyperthyroidism, hypertension and arteriosclerosis, etc. due to abnormal blood viscosity, increased cardiac output or vascular changes that cause changes in the hemodynamics of the blood supply to the skull and cochlea, resulting in a vascular murmur, which is transmitted to the cochlea and causes pulsatile tinnitus. If tinnitus occurs, it is recommended to go to the regular hospital in time, under the guidance of the doctor standardized treatment.