Sleepless Doctor

Chapter 748: Survivor bias

Wu Mian knew that Aunt Feng was just chatting and didn't take it seriously, so he smiled and said, "Aunt Feng, if you have an excavator, who can dig with your hands if conditions permit."

"Xiao Wu, you don't need money for hiring an excavator, you see." Aunt Feng chatted with Wu Mian very well, "If it weren't for the free clinic for eugenics, I guess the daughters of the old grandson's family would have been delayed. ."

"Hehe, it's fine."

"Xiao Wu, you said you wouldn't be able to judge if you didn't take a look at this thing?" Aunt Feng looked at the ophthalmoscope in Wu Mian's hand and asked again.

"Nor." Wu Mian said with a smile, "Let's put it this way, when I was a PhD student, I brought my junior and younger brothers and sisters, and I called them miserable every day."

"What do you teach them to do."

"Nothing." Wu Mian said, "There is a schoolboy who can't even see the film of cerebral infarction and cerebral hemorrhage. Tell them, I don't scold them, what should I do if I go to the hospital in the future. These two diseases One is to stop the bleeding, the other is to invigorate the blood. You can't make any mistakes."

"That's true." Aunt Feng didn't understand what Wu Mian said, but she was unreliable when she heard that the younger brother was unreliable, and she couldn't tell such a simple illness.

"This is CT. Guess how the doctor sees the doctor before CT?" Wu Mian asked.

"Yes, isn't it the same time to see a doctor?"

"My neurosurgery teacher, a top domestic expert, is well-known in the world. Not only in China, but also in the world."

Aunt Feng looked at Wu Mian blankly, not knowing what he was going to say.

"The world's first CT machine was only manufactured in 1972. Under the active promotion of the master of imaging, Li Guozhen, the Didu Hospital introduced the country's first CT machine in 1979." Wu Miandao said, "Now it's enough to make a film. Before CT, it was mainly...by guessing."

"Guess..." Aunt Feng was speechless.

Is this what the doctor should say? Compared with Wu Miangang's guess, those vague words are regarded as the most tender love words in the world.

"Before CT, when faced with a patient with acute cerebrovascular disease, if you want to diagnose whether it is cerebral hemorrhage or cerebral infarction? You can only guess based on the medical history. Otherwise, use a needle into the brain? , See if you can draw blood."

"..." Aunt Feng was taken aback.

"The scientific name of this operation is ventricle puncture? Basically no one knows it now. The risk is extremely high? Patients who can't guess will risk using puncture to solve it." Wu Mian smiled, "How about puncture? Insert it all around? If you are lucky enough to be inserted into the bleeding lesion? It can draw out the blood accumulated in the lesion."

"..." Aunt Feng was dumbfounded, "Xiao Wu, are you kidding me."

"No, what I said is true." Wu Mian said? "Why don't you say that science has progressed."

"I always think what's weird." Aunt Feng said? "Why are the doctors in the past so good in my memory."

"The survivors are deviated, and the unfortunate patients are dead." Wu Mian said, "Now that there is a stroke center, do we have it in our medical university, a green channel of water.

From the time the patient enters the gate of the hospital? After receiving a doctor's consultation, checking the medical history, taking blood tests, inhaling oxygen and transfusion, and taking a head CT, to the thrombolytic therapy? It only takes an average of 42 minutes. Of course, I'm talking about the imperial capital. The provincial capital may be slower? But not much slower. "

"Is it so fast? I think it's too slow to go to the hospital. I have to wait in line for a day."

"Yes? Change to the era without CT? There may not be results in three or five days. Some patients died? Doctors don't know how they died. Tell me, how could the previous doctors be better." Wu Mian Said, "This is not the super master written in the novel. The older you get, the more valuable you are."

"Your teacher is not better than you." Aunt Feng said.

"Hey." Wu Mian smiled, "My teacher said in person, I was already born blue when I was 25."

"..." Aunt Feng was speechless.

"Let’s also say CT. For every minute of delay in patients with cerebral infarction, the patient will lose 1.9 million more brain neurons. You said, if there is no diagnosis on this day, how many neurons are dead enough. You said, that’s the reason. Come on."

"It seems to be, but I always feel weird."

"Tell you a real story." Wu Mian said, "My teacher's teacher's teacher is an old expert from the beginning of the founding of the People's Republic of China. At that time, there was no CT, only plain film, and it was good to be able to take an X-ray film."

"Once I caught a cold, my ancestor... Aunt Feng, you are more serious." Wu Mian said when seeing Aunt Feng overjoyed.

"I have never heard the doctor say the word ancestor master." Aunt Feng was overjoyed.

"Most doctors are college students coming off the assembly line. At least they have to get a Ph.D. They have to be... Hey, don’t talk about this. My Patriarch’s X-ray is fine. I listened to it with a stethoscope and found that there were both wheeze and wet rales. .

At that time, considering that his old man smoked frequently and also had symptoms such as shortness of breath and wheezing for a long time, and the patient became ill in autumn and winter, he was first diagnosed as chronic obstructive pulmonary disease with acute infection, that is, chronic obstructive pulmonary disease. "

"Well, I know this disease."

"First anti-inflammatory treatment, but after 2 weeks of antibiotics, his elderly did not relieve, and there is still a tendency to aggravate. At that time, "pneumonia" was ruled out for the time being, and it was considered that it might be a "tuberculosis" with less obvious clinical signs."

"You really rely on guessing."

"Of course, let me tell you that before I became a doctor, I thought that all diseases could be cured. But after graduating from university, I felt that half of the diseases could be cured. After graduating from graduate school, I found that only 20% of the diseases could be cured. After graduating with a Ph.D., I feel that less than 10% of the diseases can be cured."

"now what?"

"Hey~www.readwn.com~ There are not many diseases that can be cured. Even if you give me all the most advanced instruments, many diseases still have to be guessed." Wu Mian shook his head slightly.

"Aunt Feng, don't listen to my brother." Chu Zhixi smiled, "He said too extreme, and ordinary minor diseases can basically be cured."

When Chu Zhixi said this, Aunt Feng's face looked better, "What happened later?"

"At that time, we were waiting for tuberculosis testing and diagnostic treatment at the same time.

However, during admission, I always found that the old man had lost several kilograms of weight and his coughing symptoms had become more serious. Recently, the old man had new hemoptysis. Using a stethoscope, I found that the wheezing in a certain part of the chest wall was also more pronounced. Finally... the lung cancer was diagnosed. "

"..." Aunt Feng was speechless.

"If now, a 64-slice CT scan will find high-density shadows, edge burrs, and suspected lung cancer in the lungs. There is no need for puncture, direct surgery or interventional radiofrequency ablation, and you will be discharged after 3 days." Wu Mian said, "You said , If you change your words, how do you choose."

Wu Mian looked at Aunt Feng and gave her the importance of popular science instruments very seriously.

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