General methods of on-site rescue
1.Firstly, move the patient to a safe place and let the patient breathe fresh air; remove the contaminated clothes and thoroughly wash the contaminated skin and hair, and pay attention to keeping warm.
2.For those who have difficulty in breathing or respiratory arrest, artificial respiration should be performed immediately, and oxygen and drugs to stimulate the respiratory center can be given when available.
3.For cardiac arrest, cardiopulmonary resuscitation should be performed immediately. Patients in cardiac arrest or seriously ill patients who are successfully resuscitated at the scene, such as coma, convulsions, shock and deep cyanosis, should be sent to hospital immediately for treatment.
Rescue of different types of poisoning
1.Rescue of inhalation of irritant gas poisoning. Patients should be transferred immediately and leave the poisoning site, given 2%~5% sodium bicarbonate solution nebulized inhalation and oxygen, and prevent infection and be alert to the occurrence of pulmonary edema; tracheal spasm should be given antispasmodic drugs nebulized inhalation as appropriate; tracheotomy should be implemented early when there is laryngeal spasm and edema.
2.Rescue of oral poisoning. Emesis, gastric lavage and diarrhea should be induced immediately. If the patient is awake and cooperative, it is appropriate to drink a large amount of water to induce emesis, and drugs can also be used to induce emesis. For those who are not effective in inducing vomiting or who appear to be unconscious, they should be immediately sent to the hospital for gastric lavage with a gastric tube.
Contraindications to inducing vomiting include: comatose state; poisoning-induced convulsions, convulsions are not controlled; taking corrosive toxic substances, inducing vomiting may cause esophageal and gastric perforation; esophageal varices, aortic aneurysms, ulcerative bleeding, etc. Emetic rescue should be used with caution for pregnant women.