Unlike regular hanging bottle drops, the catheter placed in deep jugular vein catheterization is directly connected to the patient's superior vena cava. When the fluid is infusion, the fluid passes directly through the superior vena cava into the right atrium. Relying on the heart's push, the replenished fluid can be quickly distributed to various parts of the body. It is very beneficial for large infusions and rapid rehydration - directly into the heart and through the heart to release the drug throughout the body, as much as possible to avoid the stimulation of blood vessels by high concentrations of drugs. As for the possibility that rapid infusions may cause left heart failure...... Replenishing blood volume as soon as possible now is definitely relieving the pressure on Zhao Weihong's heart, rather than adding to the load.

The zebra glasses doctor quickly completed the dispensing of fentanyl, and the micropump was attached to the previously placed liquid placement tube.

"One milliliter per hour is a bit too much for a 67-year-old. Dr. Zebra pushed his glasses back, and the sense of accomplishment in getting the job done quickly gave him a desire to talk to people. When he was in the operating room in the morning, Dr. Zebra knew that Sun Lien was a regular trainee, and he also intended to impart some corresponding knowledge to Sun Lien, "According to the general experience, patients over the age of 60 should take half the medication at the beginning, otherwise an overdose of opioid analgesics will cause respiratory center depression. But with advanced airways and ventilators, this danger is not a problem. ”

After Dr. Zebra first connected the analgesic pump to the catheter, the nurse next to him immediately connected the prepared balance solution to the main inlet of the catheter. The regulator that adjusted the input was opened to the maximum without looking, and the balance fluid flowed down the pipe into Zhao Weihong's neck vein. In less than ten minutes, a 500 ml bottle of equilibrium liquid went halfway down.

If you were an ordinary person, you would have already started to sweat profusely with such a ruthless rehydration. But Zhao Weihong not only did not show any discomfort, but her heartbeat even dropped slightly.

"Keep getting fluids and call the family. Burns may require early skin grafting, which requires a consent form from the family. Sun Lien breathed a sigh of relief, Zhao Weihong's response to rehydration and analgesia was not bad. Although old age is a decisive disadvantage for recovery, the good news is that the wound area of the burn is not particularly large - the entire back accounts for about 13% of the total area of the human body, and such a third-degree burn is actually a blessing in misfortune.

However, the risk of back burns is also enormous, and unlike the frontal chest and abdomen, the thickness of the tissue in the back is quite limited. The subcutaneous fat layer, which acts as a thermal insulator, is also not as thick as that in the chest and abdomen. In addition, the back is actually closer to the vital organs of the body, so back burns can sometimes cause more serious damage than it seems.

Zhao Weihong's family currently has only one daughter paying outside. Sun Lien, who has dealt with her, probably understands that this family member is in some trouble. He lowered his voice and asked Liu Tangchun, "Teacher Liu, can you change a family member?"

"Do you want to change another patient?" Liu Tangchun was also a little helpless, "If the patient is just this child, will you treat it or not?"

Sun Lien sighed, "Even if it is out of humanitarian considerations, giving her a jugular vein catheter has reached the bottom line." If the skin graft is done without permission, the family will definitely have to make trouble. ”

"Just make a fuss. Liu Tangchun gritted his teeth, and then his anger turned into a helpless sigh, "What else can I do?" I'll go talk to the family, I hope this fire can make her brain clearer." ”

The doctors in the burn department have been preparing for a long time, and the 13% area of skin grafting has exceeded the limit of autologous skin grafting, and it is completely impossible to rely on the patient's own body to take skin for skin grafting. At present, the only option is artificial skin grafting with a special material – decellularized pig skin.

Most doctors are very fond of pigs, especially in burns and surgery. The burn department needs to use pig skin to protect patients with extensive burns. The surgery is more direct, and the heart, liver, spleen, lungs and kidneys of pigs are all good teaching materials for hand training. In addition to the hepatobiliary, the artificial liver support system developed by Academician Li Lanjuan led by Academician Li Lanjuan, the main biological material that takes effect, the hollow fibrous tube of pig liver cells, also comes from pigs.

Decellularized pork skins need to be cryopreserved and only taken out for rewarming before use. This is the time to communicate with the patient's family.

At the strong suggestion of Liu Tangchun and the police, the middle-aged woman called her husband. The man appeared to be in his early fifties, wearing a pair of silver glasses, a black jacket and a white shirt, and no tie.

"What's the matter?" His attitude was much better than that of his wife, and after nodding to the doctor, he pulled the middle-aged woman to the side, and asked in a low voice, "Didn't you say that you took your mother to dinner?

The middle-aged woman seemed to have finally seen a savior, wiped her tears and said again, "Our mother choked while eating, and a young man and his girlfriend helped ......"

The two couples here were talking and passing by, and Director Zang Fusheng of the hospital office just finished working overtime and passed by the rescue hall. Seeing that the battle was quite big here, he stood by curiously and looked at it twice.

His eyebrows furrowed deeper and deeper, and after a while, he suddenly pulled Liu Tangchun's clothes and said in a low voice, "Old Liu, this man seems to be the head of Ouyang Hua in our district." ”

After listening to the story of the first half, Ouyang Hua nodded with some fear, "In this social environment now, it is not easy for young people to stand up and act bravely. Have you thanked them?"

The middle-aged woman's face did not change and her heart did not skip a beat, "Of course thank you, but they are high-spirited and bright, and they don't leave contact information at all." ”

"What happened later?" Ouyang Hua continued to ask, "How did our mother burn like this?"

"The old lady woke up and didn't want to stay in the hospital. I discharged her from the hospital. The middle-aged woman continued, "When I was about to get home, my mother said that she had recently had an uncomfortable shoulder, and she had also suffered from old rhinitis, and her head was a little dizzy. I always heard that the Kangjian fire therapy next to our house had a very good effect, so I took my mother to do it. The doctor said that you can also use a small needle knife to treat rhinitis, as long as you put pus, you can get better......"

Sun Lien, who went out to prepare for permission, happened to hear the part of the small needle knife, his eyes widened and he interjected directly, "What is the part of the small needle knife that the patient did?"

The middle-aged woman who was interrupted was a little unhappy, but after all, she had just lied and felt weak in her heart, and she didn't dare to be too arrogant in front of her husband, so she could only pout her lips and answer honestly, "It was pierced from the nose." ”

"How long is that little needle knife?" Sun Lien asked, "How wide?"

"Probably that long, isn't it?" the middle-aged woman gestured to a silhouette about fifteen centimeters long, "width...... It has to be half a finger's width. After piercing to the end, my mother said that my nose felt quite comfortable. ”