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   Dai Nanhui was the first to not accept the dirty water, and he was about to explode and shouted, "We came from next door to save people only when we heard the siren."

   "Cold, quiet." Two words burst out from the mouth of the immortal brother Cao Zhao.

   This is to calm everyone\'s minds. Including to his own students, including to Dr. Yao.

   In any case, first of all, as a doctor, you must find out what happened to the patient, whether the patient has life worries, and who is responsible for the rest.

   Agreeing with the teacher\'s words, Xie Wanying said in a calm and calm voice: "I removed the protective film of the incision to make sure that the electrodes of the pacemaker lead are connected to the patient\'s epicardium and have not fallen off."

   Pacemaker?

   Pacemaker, maybe there are more people doing interventional surgery now, only know that pacemaker is related to interventional surgery. In fact, when the pacemaker was first used, it was not installed by interventional surgery, but by traditional surgery.

   In terms of specific description, the interventional operation to install a pacemaker is a wire that sends electrodes to the cardiac cavity through a peripheral vein and is installed in the endocardium, without the need for thoracotomy, reducing the pain of the patient and saving the trouble of surgery. It is widely popular in clinical practice.

  The surgical installation of a pacemaker requires the doctor to open the pericardium of the chest to connect the electrodes to the epicardium of the heart, which is not welcomed by the patient.

  Intervention has many advantages. Surgical installation is too painful. The technology seems to be outdated and can be eliminated by advanced intervention. Besides, what is the surgical installation method?

not like this. In clinical practice, which is more convenient to use and which is more suitable for the treatment of patients. So far in pediatrics, the first choice for a pacemaker is surgery for children within five years of age. This is due to an over-emphasized paediatric characteristic: the child develops. You need to pre-place a longer wire for the child to grow taller. If an interventional procedure is used, the too long wire cannot be placed in the heart or peripheral blood vessels. Some children have heart deformities, and it is difficult to locate the electrode installation position during interventional surgery, and they can only be installed by surgical means. Children are restless, and surgery is not like interventional surgery, which must be fixed on the front chest where the sebum is thin and difficult to put. It is better to fix it in other places with thick sebum.

  Similarly, since Xiaohui has undergone thoracotomy today, why bother to intervene if a pacemaker needs to be installed, it is more convenient to directly install electrodes on the epicardium during the thoracotomy.

   Speaking of which, why does Xiaohui need to install a pacemaker? Isn\'t this child a disease that needs pacemaker treatment?

   Pacemakers are used clinically, and a large category is indeed for treatment. Most of these patients go to interventional surgery and use permanently implanted pacemakers. Another type of pacemaker application is the temporary pacemaker used for rescue and backup, such as the last time Mr. Lu rescued.

   Xiaohui was the same, the surgeon prepared a pacemaker for her during the operation, just in case Teacher Lu did. After heart surgery, many patients have unstable circulation. The heart may suddenly stop during and after surgery. Installing a pacemaker can help the doctor save the patient\'s life when the doctor is too late to rescue the patient in an emergency.

   (end of this chapter)