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   The two of them could only watch Xie Wanying nervously what to do alone.

   Heart Compression? Or heart hammering?

  Xie Wanying\'s fingers touched the patient\'s neck. The other two judged that she was trying to diagnose by palpation whether the carotid pulse disappeared. Unexpectedly, after her index finger and **** came together, it slipped from the thyroid cartilage to the patient\'s spine, and after touching the carotid artery, it suddenly stopped there and pressed it.

what is she doing? Li Xiaobing and Teacher Lu blinked.

  One two three four five. After reading it five times in her heart, Xie Wanying immediately moved her finger away from that position.

   See the patient\'s symptoms stopped.

   Li Xiaobing and Teacher Lu, who were watching from the side, could only think of one sentence: Is this a god?

  What\'s the matter? It is estimated that non-cardiologists could not see or think of the doorway for a while.

   Only heard a dull and cold man\'s voice next to him: "You—"

   The three people at the scene raised their heads and found Fu Xinheng and Zhou Junpeng standing on the patient\'s head.

   Maybe the scene just now was too tense, and the three of them didn’t realize that someone was coming.

   "Mr. Fu." Xie Wanying immediately called out to the teacher.

  Fu Xinheng and Zhou Junpeng trotted over, their breathing didn\'t completely calm down, and their heartbeats didn\'t recover from the shock of watching her do the first aid operation. Only then did Fu Xinheng say half of your words.

   suddenly told him that he didn\'t know what to say. Maybe at this moment, if he wants to say something to her, he must first remember the unfortunate experience that he was slapped in the face. At that time, he told her not to follow up in the operating room, and then in the operating room he used the ideas she said to save people.

   Thinking of this, Fu Xinheng\'s thin lips pursed into a line that required repeated words and deeds.

   Rolling over in front of students will affect the teacher\'s prestige. Suddenly he understood why Tan Kelin\'s silence was golden.

   Zhou Junpeng, who was holding his two knees, waited for a while. He thought Fu Xinheng was going to scold, but after waiting for a long time, he felt strange without him.

   They are specialist doctors, they are absolutely sure. Teacher Bilu and Li Xiaobing know exactly what Xie Wanying is doing just now. That\'s why they walked and walked until they found something abnormal, and the two of them rushed over quickly, leaving the other group of people pushing the lathe and wheelchair behind.

   Xie Wanying just did: massage the carotid sinus.

sky. Zhou Junpeng thought to himself that she was really daring, or that she dared to use this operation to rescue a patient if she didn\'t know anything.

   Massage the carotid sinus to change arterial blood pressure through baroreceptors. This starts with the anatomical principle of the carotid artery. The sensory neuron ends extend along the internal carotid artery and have a section just at this position. Massage here can cause sympathetic inhibition and parasympathetic stimulation, which can significantly lower blood pressure and heart rate.

   This action looks amazing, but it is actually risky. The foreign heart association stipulates that only doctors can perform it, and ordinary emergency personnel cannot do it. And there is only one indication for treatment called paroxysmal supraventricular tachycardia.

   Any medical operation has a specified normative process, which is summed up from the experience of many clinicians and patients, in order to prevent misoperation. Once a mistake is made, medically it is a murder, not a life-saving.

   Specifically, the operation of massaging the carotid sinus is recommended by foreign heart associations to be performed under the monitoring of ECG monitoring, leaving an intravenous catheter for the patient, and preparing various emergency medicines to prevent accidents.

   (end of this chapter)