What kind of people can’t have anesthesia?

What kind of people can not play anesthesia, this question is more general, if local anesthesia, as long as there is no local anesthetic allergy, this patient can do local anesthesia, general anesthesia to be able to keep the airway open, at least able to establish an artificial airway, to ensure the safety of life can be done in the case of anesthesia. If you can not guarantee a patient’s life safety, this time can not give this patient anesthesia, because it will threaten the patient’s life. Contraindications to anesthesia depend on the method of anesthesia, for example, contraindications to local anesthesia, in addition to local anesthetic allergy, and anesthesia of these parts of the infection can not do anesthesia. If it is intralesional anesthesia, patients with shock can not do intralesional anesthesia; if there are tumors in the vertebral body, metastatic tumors can not do anesthesia; local puncture point infection, also can not do intralesional anesthesia. Contraindication to general anesthesia, if the patient can not be effectively ventilated, this patient can not go to do general anesthesia, because it will threaten his life safety.