The price of cardiac defibrillator implantation is related to the specific model and ranges from about $80,000 to $100,000 dollars. Cardiac defibrillators are mainly used for the prevention of malignant arrhythmias and to avoid sudden death in patients. The approximate price is between $80,000 and $100,000, and the price of pacemakers may vary somewhat from one manufacturer to another. Cardiac defibrillators have the function of defibrillation. When a patient suffers from malignant arrhythmia, cardiac defibrillators are able to identify the arrhythmia quickly and defibrillate according to the programmed settings, restoring the patient’s sinus rhythm and preventing the patient from sudden death. The main indications for a defibrillator are ventricular tachycardia of various causes. Ventricular tachycardia leads to hemodynamic disorders, which can lead to chest pain or even fainting at the onset of the disease, and in severe cases, sudden death can occur. Before installing a defibrillator, it is important to thoroughly evaluate the condition and master the indications under the guidance of a physician.