Chapter 1402 【1402】Don't Be Frightened

The technique of manipulating the guide wire in PCI surgery is enough for doctors to discuss for a long time, many of which are very complicated.

Well, the next step is to feed the contrast catheter along the guide wire. Jin Tianyu, who let his junior sisters and younger brothers take their time, got started much faster by himself. A junior sister and younger brother made a promise to explore the way for him, and he had a rough idea of ​​the patient's blood vessel condition, so he could speed up without wasting time.

The catheter is put in place, and the end is connected to the syringe to withdraw and exhaust.

Connect the three-way tee head, and then the exhaust is exhausted thoroughly, so as to avoid air entering the coronary artery and causing fatal air embolism.

During the exhaust process, the three-way tee head is connected to the baroreceptor, the contrast agent, and the normal saline or heparin for flushing the tube respectively. Among them, the baroreceptor is connected to the display instrument, and the operating doctor can observe the invasive pressure graph of the aorta on the screen.

A normal pressure graph is a smooth wave with the systolic apex and diastolic trough.

It is very important to observe this during the entire coronary angiography process. Once the pattern changes into a V-shape, it shows that the catheter port is incarcerated in the coronary blood vessel, and coronary artery spasm and blockage will occur, requiring emergency treatment.

The doctor checked that the indicators of the patient were normal during the operation, and there was no risk overflow.

Ready to power on for perspective.

Power on, the yellow light is on.

On the screen of the imaging machine, a picture of the catheter in the coronary artery of the human body appeared, and at the same time, the doctor could see the dark outline of the patient's heart, like a paper cut. The casted images can be static images, but when connected together, they become dynamic movie images. Viewers will feel a bit like watching a folk shadow puppet show. The two-dimensional dynamic image of the heart can show the activity of the heart contracting and expanding, as lively as a mischievous child. Plop plop, the patient's heart beat on the plane, driving the coronary artery where the catheter is located to beat together. The injected contrast agent travels in the artery along with the blood, and the doctor can clearly see the direction and diameter of the blood vessel with the help of the contrast agent. If the artery is narrowed and the blood cannot pass through the contrast agent, it will show the missing image in the blood vessel segment, which will change from black to white. This is a coronary angiography.

Under the fluoroscopy, the doctors repeatedly confirmed that the guide wire was in place, and then the guide wire and the angiography catheter were sequentially entered into the left and right coronary arteries of the patient for angiography examination. As I said before, the X-ray system is a two-dimensional image. To turn it into a three-dimensional image, it is necessary to perform multiple perspectives on the patient's heart and blood vessels to collect all the information and enter it into the computer so that the computer can reconstruct the three-dimensional image. light.

"You go out." Jin Tianyu ordered the junior sisters and juniors to leave, so that they would not be exposed to radiation.

Not to cause trouble to the senior brother, Xie Wanying and Pan Shihua accepted the command and exited the radiography room.

The nurse waited outside, helping them take off the surgical gown and lead jacket.

After taking off the lead clothes, the scrub clothes were covered with sweat. Xie Wanying and the others washed their hands, wiped off their sweat, and hurried back to the control room to see what happened next.

The person on the phone with Fu Xinheng changed from Dr. Xu to Dr. Shen.

"She helped, right?" Dr. Shen asked after hearing the progress of the matter, wondering if his "reckless" suggestion successfully turned the situation around.

Yu Xuexian wanted to tell this senior brother not to be jealous.

"It means that our Director Zhang has a very poisonous vision." Dr. Shen laughed loudly, very happy with the result.

Doctors are happiest as long as they see their patients saved.

Dr. Xu leaned in front of the mobile phone and asked, "What's the situation with the angiography now? Are the three vessels diseased?"

Certainly not, the electrocardiogram done before did not show this sign.