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   In this way, Xie's use of TEE for hepatobiliary surgery is definitely a national initiative. Guozhi has never been used in such a case. On this point, he dared to pack a ticket.

   Like doctors in other hospitals in the exchange meeting, he wanted to know who came up with the idea. Helpless, Tao Zhijie was confused at the exchange meeting, and everyone from the National Association pretended to be dumb. Even if he later went to the National Association because of his mother, a group of people still kept it from him.

   Now he is more and more certain that Xie did this. Through the lead glass window, look at the calm expression on her face, don't think she is pretending, he, the big guy, can see that Xie is really not pretending. Then I captured the intriguing faces of those National Association members. Two pieces of evidence support his speculation.

   A group of National Association members pretended to be wooden faces when they realized that Big Brother Zhang was looking out of the corner of his eyes.

  Xie Wanying in the operating room thought about what Teacher Du was trying to detect with this esophageal ultrasound during the operation. It was definitely not the way she used it in extra-hepatobiliary surgery.

   "What could it be?"

   The voice stuck to her ear. Xie Wanying turned her head and saw that Senior Brother Shen was wearing a surgical mask, only showing two bird-like eyebrows and bright and bright eyes outside the mask.

  Shin Woo-hwan gave her a smile: You are familiar with vascular ultrasound, as well as esophageal ultrasound, right?

Senior brother wanted to communicate with her technically, the opportunity was rare, Xie Wanying didn't think too much and seized the opportunity, saying, "According to the test results of the patients before the operation, the use of esophageal ultrasound and repairing defects to monitor the valve during the operation cannot be tolerated. There are only two possibilities left. One is that the tumor that may exist in the right ventricle requires intraoperative monitoring, and esophageal ultrasound can help. Second, Mr. Du may want to use esophageal ultrasound to find fistulas."

   Everyone knows what she said about the former, but what about fistula in the latter?

   "Fistula?" Dr. Pang immediately turned around and expressed surprise, "What fistula?"

   After all, cardiopulmonary bypass specialists are not cardiovascular clinicians, so their response is slightly slower.

   "It's a coronary artery fistula."

  Senior Brother Shen immediately understood what she said, and he was very skilled. Xie Wanying thought.

   Will the heart develop a fistula? The definition of fistula has been mentioned before. The two places that are not mutually connected are connected. This abnormal opening is called a fistula, and the abnormal passage is called a fistula.

  The heart is the same, except that it is a closed organ connected with several large blood vessels. As long as it is closed and suddenly connected to the outside, a long fistula is normal. There is a distinction here. The rupture of the heart caused by the internal and external communication is the same as the rupture of other organs, so it cannot be called a fistula. Therefore, a fistula of the heart refers to an abnormal communication channel between the blood vessels of the heart, such as the left and right coronary arteries, and the heart or other large blood vessels. Most of these fistulas are congenital and patients may be asymptomatic.

   Combined with today's surgery patient, the main surgeon probably suspected the possibility of a fistula after the patient was injured. Some fistulas may not be completely long, and if the knife is moved, the original shape of the fistula will be revealed.

   (end of this chapter)