Chapter 1599 【1599】What to Do for the Heart
This is exactly what Dr. Xu's young doctor is trying to do.
"Heart." Doctor Zhao, who was preparing for the operation, replied, "The clinician's application report believes that there may be something wrong with the patient's heart that needs to be investigated."
Dr. Xu seemed dissatisfied with his rough answer, thinking that maybe the summary of the patient's condition written by the clinician was too simple for the young doctor to judge carefully, so he grabbed the application report on the table and read it again. After reading for a while, I realized that I was standing next to the patient's family members, so I simply asked Xie: "Do you know his situation?"
Knowing what the teacher wanted to ask, Xie Wanying replied: "Using CT for heart examination itself has its own flaws, and it is relatively difficult."
The other party's answer is life gate. Dr. Xu turned his head and blinked at her, and said with a smile, "How many years have you been studying with Teacher Qin?"
Xie Wanying was ashamed, she seemed to have only talked to Teacher Qin once, and this time she was definitely trying to take advantage of Teacher Qin.
Seeing something strange in her momentary silence, Dr. Xu asked curiously, "Aren't you a student of imaging?"
no. Xie Wanying honestly shook her head.
Dr. Zhao, who was sitting in front, turned around and also thought that Xie Wanying's answer just now was completely like a student of imaging, what happened.
"I'm a surgical student." Xie Wanying replied.
"Does the surgeon know what can be found in a CT scan of the heart?" Dr. Xu asked her again.
"The CT examination of the heart is the same as the examination of other tissues and organs. It can be done according to the basic principles. The problem is that in order to find out the focus of the heart, CT must face a difficult point. The heart is an autonomous organ in the human body. Rhythm is always doing systolic and diastolic movements. That is to say, it is moving all the time. When doing imaging examinations, it is best for the target object to be still, so we ask patients to keep their bodies still, quiet, and Adjust your breathing according to the doctor's request to make the lungs expand and shrink, etc. But the heart's activity, the patient and the doctor can't control how it moves." Xie Wanying said.
Dr. Zhao pursed his lips: Isn't she really a student of imaging?
"Yeah." Hearing the depth of her words, Dr. Xu encouraged her to continue to express her opinion, "Say more."
Xie Wanying continued to express her opinion: "CT, like X-ray, can be compared to a camera. If you want to capture the subtle changes in the dynamic heart all the time, the shutter speed of this camera needs to be fast, as fast as possible. Therefore, in In terms of cardiovascular, CT has no advantage. What has the advantage is the contrast machine. The contrast machine in the interventional operating room can shoot 30 frames per second, with a time resolution of 33 milliseconds, and the resulting cardiovascular images are sharp and clear. Single source The speed of ct pressing the shutter is less than a quarter of that of the contrast machine. Compared with the former, the latter is definitely slower in capturing dynamic images, and it is destined to have a higher probability of missing capture problems. Therefore, there is a clinical saying that coronary angiography is the diagnosis of coronary artery disease. The gold standard for heart disease."
"She remembers the numbers very well." Dr. Zhao praised the back of the chair.
Dr. Xu snapped and patted his student's head: You praise people and don't think about yourself?
Dr. Zhao touched his head that was patted by the teacher and laughed, he didn't care, because we need to learn from each other in medicine, and three of us must have my teacher.
"Single-source CT is relatively slow, and dual-source CT will be much better." Dr. Xu concluded, fully agreeing with what Xie Wanying just said.