“The patient doesn’t have coronary heart disease!” Su Yun said out of habit.

However, he moved slightly and sat down firmly. He didn’t get out of the car, but looked at Zheng Ren’s back thoughtfully.

“Big brother Yun, what is boss Zheng doing?” Luan Yingjie’s mind was already in a mess as he asked anxiously.

“I’m buying medicine. How can I go to the pharmacy to buy vegetables? You don’t say, there are people who go to the hospital to buy cream rice. Maybe the pharmacy also sells vegetables. ” Su Yun’s answer was not serious at all.

“…” Luan Yingjie didn’t know how to answer for a while.

“Brother Yun, if I don’t send my father to the mental hospital, do you think his illness will get worse? Should I move to another courtyard house? I’m really afraid that he’ll take it too hard one day and jump down from a building. ” Luan Yingjie said in distress.

“Oh, old Yan, you’ve earned quite a bit over the years. You even have a courtyard house.” Su Yun saw Zheng Ren walk into the pharmacy and started to joke with Luan Yingjie.

“Isn’t our old house waiting to be demolished? But they also want to protect the cultural relics. Tell me, what’s there to protect in an old house?” Luan Yingjie said,”the garbage will be sorted again after a while. I …”

“Why are you talking about garbage sorting again?” “It’s fine,” Su Yun said.”From the boss’s expression, he should be fine. Don’t worry.”

“Big brother Yun, there’s a rumor in Pengcheng that boss Zheng has cured an earth master of his heavenly punishment. Is that true?” Although Luan Yingjie was anxious, he could not leave at this time, so he could only talk nonsense with Su Yun.

“What earth master? he’s just a bathhouse scrub.” “Don’t spout such superstitious nonsense,”Su Yun laughed.

“Uh …” Luan Yingjie was stunned for a moment. He thought that Brother Yun was still young and bold. In his words, an earth master was just a scrub.

Soon, Zheng Ren came out of the taxi and returned to the car.

“The price of nitroglycerin has increased.” This was the first thing Zheng Ren said after he got into the car.

Su Yun was surprised.

Who would go to the pharmacy to buy medicine for no reason? Now, there was no bonus for the medicine in the hospital, and the medicine was cheaper than those in pharmacies. Other than having to queue and register, there were no other shortcomings.

The price of nitroglycerin rose, but this did not affect his boss at all.

“How much did it increase by?”

” 10 times? 20 times?” Zheng Ren said.

“…” Su Yun did not know much about this and was shocked.

“In the past, we used to have a big bottle of nitroglycerin, and I don’t know how many pills there were in it. Sometimes, we asked the patients to go to the pharmacy to buy it themselves.” Zheng Ren said,”now, there are no more cheap big bottles. Only these delicately packaged ones are left. The packaging accounts for 95% of the retail price. What do you think …”

“Don’t talk nonsense, let’s talk business. ” Su Yun asked,”what are you buying nitroglycerine for?”

“Do the tilt test.” Zheng Ren said.

“Inclined experiment? Is it to see if my dad’s brain is working? Or is your body flexible?” Luan Yingjie asked,”boss Zheng, the mental type you just mentioned …”

“It’s a plant nerve, not a spirit.” Zheng Ren corrected him,”I’m thinking that it’s not a mental illness. Don’t spout nonsense.”

Why did boss Zheng speak as if he was his son, and he was just an outsider?

Luan Yingjie was a little surprised.

“The patient’s standing reaction is similar to the fainting symptoms that actually occur in the clinical world, so it is used to assist in the diagnosis of vaso – induced fainting. Is it this?” Su Yun asked.

“Yes.”

“Then why are we following them?” Su Yun didn’t understand.

“I just took a look. In order to increase the effect of the tilt test, I took nitroglycerin, and the effect will be more obvious.” Zheng Ren said,”I’m worried that the old man will have a sexual discomfort and that the family can’t handle it.”

“You don’t have anything,” Su Yun said.

“I’m calling 120 for emergency. ” Zheng Ren said,”ask Zhou Litao to bring a first aid kit over. If there’s anything, he can handle it immediately.”

“Is this considered a public tool for private use?” Su Yun spat.

“Patients. As long as resources are used on patients, they are not considered patients.” Zheng Ren said,”if I drive the 120 ambulance out to play, it’ll be considered a private use.”

“You don’t say. I heard from my teacher that when he went for a freelance surgery twenty years ago, the local hospital drove an ambulance to take him out for fun.” Su Yun laughed.

“We don’t have any now. Even the 120 emergency rescue team can’t make it in time.” Zheng Ren said.

Luan Yingjie was a little anxious when he heard the two of them chatting. He took the time to interrupt their conversation and asked,””Boss Zheng, what’s the tilted experiment?”

“Uh …” Zheng Ren thought about it. It was troublesome to explain, but he could not just say nothing when the patient’s family asked.

Besides, there would still be some changes in the tilt test later when he took nitroglycerin, and he would need the cooperation of the patient’s family.

“Let’s put it this way, boss Shao. ” Zheng Ren said,”when the human body stands upright, 300 to 800ml of blood will accumulate in the lower limbs due to gravity, causing a decrease in central venous pressure, Stroke Output, and arterial blood pressure. Reflex will cause an increase in sympathetic nerve tension, which is manifested as an increase in heart rate, a slight decrease in arterial blood pressure, and a slight increase in arterial blood pressure.”

Su Yun saw Luan Yingjie’s confused face and interrupted Zheng Ren.””Do you have any friends with high blood pressure?”

“There is.”

“The first thing you do every morning is to measure your blood pressure. He was lying on the bed because his blood pressure was unstable when he stood up. That’s what the boss meant just now. “

Well, if it was explained in human words, Luan Yingjie immediately understood.

Su Yun felt helpless too. The boss must be looking forward to the experiment immediately, so he explained it too professionally.

“Yes, that’s basically it. I’m considering that your father has a vegetative nerve function problem. ” Zheng Ren continued.”When patients with vaso – induced vertigo stand upright, the blood accumulation in their lower limbs is more severe than that of normal people. The central venous pressure is significantly reduced, the amount of heart blood is reduced, and the tension of the sympathetic nerves continues to increase.”

Luan Yingjie did not fully understand.

“Then, it will lead to a significant increase in ventricular contractions and over – stimulation of the receptors in the posterior anterior left ventricle. As a result, it will reflexively cause a decrease in sympathetic nerve tension, vasodilation, and a drop in blood pressure. The brain will suddenly be deprived of blood, and fainting will occur. Sometimes, it will be accompanied by an increase in vacious nerve tension and bradyheart.”

“Boss, have you done any research on the C – nerve fiber that has no myyeline membrane?” Su Yun suddenly asked.

“You’ve studied it? Lab rats?”

“Hmm, it’s going to be interesting.” “I’ll cut it off …”Su Yun said with a proud smile.

Next, Luan Yingjie listened to Su Yun’s story of cutting off the unlined C – nerve fiber of a white mouse in the laboratory, as if he was listening to a heavenly book.

Twenty minutes later, the car arrived home. Zheng Ren got out of the car and made a call.

He first called Zhou Litao and asked if they were busy, then he told him about the situation on his side.

Zhou Litao was simply too interested. He felt that boss Zheng was really loyal. When he met a patient who fainted after eating, he didn’t forget to ask him to come out and take a look.

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