How to choose the suction method?

Physician Practice Skills Exam Newsletter I. At present, most of the electro-mechanical management system is used for sputum suction, which can be regarded as the best method.　　The first step is to use a foot-operated suction device for sputum suction: in the absence of a power supply, an electric suction device cannot be used.　　Syringe sputum aspiration: in the absence of the above equipment and when emergency sputum aspiration is required.　　Mouth-to-mouth suction: when the patient's life is under extremely serious threat and there is no equipment for suction, mouth-to-mouth suction can be performed.　　For unconscious patients, tongue depressor or mouth opener can be used to open the mouth first, and then suction can be performed. If endotracheal suctioning, when the patient inhales, insert the catheter quickly, and rotate the catheter left and right while retreating from the bottom to the top to eliminate airway secretions, and observe the patient's respiration. In the process of suction, if the patient coughs a lot, should wait for a moment before suction. And flush the suction tube at any time to avoid sputum blockage.