Escape the Library

At 6 o'clock in the afternoon, the students had their own dinner, and then came to the ward where Yue Xingwen was located, and handed over the "homework" that had been assigned to everyone back to Yue Xingwen's hands.

Yue Xingwen carefully summarized the homework that everyone handed in, and sorted out the experiences of the five deceased before their death.

Bed 5, 55 year old female, cheerful personality. Her son and daughter-in-law are both teachers. She visited her in the hospital yesterday afternoon. It was originally agreed that she would go through the discharge procedures today, and the old lady is recovering well. The family members came to the hospital this morning and heard that she died suddenly and unexpectedly. They refused to accept the fact. They cried a lot in the ward and argued with the doctors for a long time.

Yue Xingwen handed the information to Liu Zhaoqing, who frowned and said, "This old lady died so wrongly. She could have been discharged from the hospital today, but she suffered a heart attack last night. No wonder the family members couldn't accept it."

Yue Xingwen continued: "The family members of the 80-year-old man are very calm. He is in critical condition and has been hospitalized six times. His family members should have been psychologically prepared and quickly accepted the fact that the old man died and has Take the body away."

Liu Zhaoqing asked, "The 60-year-old old lady had an operation scheduled for three days later. Unfortunately, she died before the operation. What did her family say?"

Yue Xingwen said: "Her family members are out of town and have no time to claim the body. The remaining two grandfathers, 70 and 77 years old, have already undergone surgery. The family members should be more uncomfortable. They thought the surgery was successful. , resulting in sudden postoperative death.”

Liu Zhaoqing sighed: "Alas, sudden illnesses in the hospital, and dead people in the middle of the night are very common. I have encountered several times during my internship. But if it is really like what you said, someone is secretly doing things, it will be completely different. "

Yue Xingwen nodded: "So, we have to find clues as soon as possible."

At 7:30 in the evening, most of the doctors had already left work, and the students began to pretend to be sick as instructed by Yue Xingwen.

First, Liu Xiaoxiao, who was in bed 4, pressed the call for help. When the nurse came to the hospital bed, she huddled on the bed and rolled while shouting, "My stomach is so uncomfortable. Did I eat something bad? It hurts..." The thin girl was sweating coldly on her forehead. Straight up, pressing his stomach with a pale face. The nurse was startled and hurried to the doctor on duty.

As soon as the doctor entered Liu Xiaoxiao's ward, the boy in the chemistry department also began to pretend to be sick. The boy was already ill, shrank on the bed and shivered while pressing his heart. Zou Yuhang, who was in the same ward, rushed to the doctor's office nervously: "Doctor, my patient has a heart attack, go and see!"

The doctor who had just eaten was called away by him.

Then, Qin Lu also cooperated with the acting, pretended to have a headache, and called the last doctor on duty away.

The condition of the patients in the ward was frequent, and the three doctors were transferred away from the mountains. Yue Xingwen and Liu Zhaoqing had been walking near the doctor's office. Seeing that all the doctors were called away, Yue Xingwen immediately gestured to Ke Shaobin in the distance.

Ke Shaobin understood, sneaked into the doctor's office under the cover of Yue Xingwen, opened the doctor's computer and started to decipher the code. Liu Zhaoqing and Yue Xingwen guarded the left and right corners of the corridor to prevent doctors or nurses from coming.

Ke Shaobin was sitting in front of the computer, his slender hands quickly tapping the keyboard, his expression extremely serious.

Lines of complex codes appeared on the computer screen. After a while, Ke Shaobin successfully invaded the system. He quickly raised his right hand, placed his laptop next to the desktop, and started wireless data transmission.

A blue [Data Transfer...] reading box will appear on the computer.

Seeing that the transmission had reached 80%, there was a sudden sound of footsteps in the corridor on the right. When Liu Zhaoqing saw a nurse pushing a treatment car over, he hurriedly stepped forward to stop the other party, and said with a smile, "Hello nurse, may I ask you this evening? Do I still need an injection? I am Liu Zhaoqing, a 16-bed patient."

The nurse glanced at the name on his wristband, flipped through the list on the treatment car, and said, "You don't need injections tonight, go back and have a good rest. Ask your doctor in charge for the specific treatment plan when you round the room tomorrow morning. "

Hearing the conversation in the corridor, Ke Shaobin was so nervous that his palms were sweating.

The data transmission finally became 100%, and Ke Shaobin immediately exited the system, raised his right hand, retracted the laptop into his palm, quickly slipped out of the office, and turned and left with Yue Xingwen.

When Liu Zhaoqing saw them approaching, he smiled at the nurse and turned sideways to make way: "Thank you, beautiful lady."

The three walked along the corridor towards the ward. When they passed the nurse station, they found a large trash can marked "medical waste" at the end of the aisle next to the nurse station. Yue Xingwen looked at Liu Zhaoqing and pointed to the trash can: "Senior brother, do you want to go through it? If my inference is true, the evidence that the murderer didn't have time to deal with might be in the trash can."

Liu Zhaoqing nodded: "Well, let's go."

The three sneaked up to the nurse's station.

Since the other students were still trying their best to hold the doctors and nurses, there was no one nearby. Ke Shaobin stood guard at the entrance. Yue Xingwen and Liu Zhaoqing stole two pairs of medical gloves from the nurse station and put them on. They opened the trash can and started looking for clues. .

Gauze, syringes, these have no reference value, the key lies in the medicine bottle.

Yue Xingwen pulled out all the medicine bottles and infusion bags, and Liu Zhaoqing checked carefully next to him: "Saline, glucose, antihypertensive drugs, blood transfusion drugs... and epinephrine, which should have been used when rescuing patients..." He passed the medicine bottles that were turned out one by one, and then shook his head: "It's all common drugs, nothing unusual."

Although it was a waste of time, Yue Xingwen was not frustrated, and said softly: "There are no traces left here, which means that the murderer did not change the medicine at the nurse's station. The possibility of the nurse committing the crime is relatively low, and the scope of investigation can be further narrowed."

The three returned to the ward and sat down, and after a while, several classmates knocked on the door and came in.

Yue Xingwen's voice was gentle: "Everyone has worked hard, find a place to sit, let's have a meeting and discuss it first."

Zou Yuhang quipped: "It feels like a class meeting, Xingwen is our temporary monitor?"

Yue Xingwen smiled at him and looked at Ke Shaobin: "Open the data and see the conclusions of the doctors."

Ke Shaobin raised his right hand, and the computer icon in his palm turned into an ultra-thin notebook. The other students were very envious of the computer department's reward - it was a laptop and an intelligent robot. The computer department is really rich!

Ke Shaobin opened the patient data folder in the laptop and rotated the screen to Yue Xingwen. Yue Xingwen quickly swiped over the disease course records that she had read yesterday, directly opened the newly added "Death Case Discussion" section, and greeted Liu Zhaoqing: "Senior brother, you are more professional, so come and have a look."

Liu Zhaoqing moved a stool and sat next to him, looking at the screen and saying, "These are the analysis of death cases recorded after the doctors' meeting in the afternoon. The cause of death of the five people is all acute myocardial infarction. The detailed time of death and rescue records, from the rescue records, the doctors did their best, but unfortunately they were not rescued."

Yue Xingwen tore off a piece of white paper from the dictionary and said as he sorted it out—

"15 patients died at 1:10 am; 24 died at 1:20 am; 5 died at 3:30 am; 50 died at 3:40 am; 33 died at 5:00 am ." He looked up at everyone: "Have you found the pattern?"

Everyone looked at each other for a while.

Zou Yuhang raised his hand first: "Is there a problem with the time of death?"

Ke Shaobin analyzed: "These hospital beds sound quite messy, but after Xingwen sorted out the time of death, the patient's death seems to be divided into three stages, two died at 1:10, 1:20, and 3:30. Two dead at 3:40, one dead at 5?"

The other classmates suddenly realized, but followed with blank expressions: "What's the point of this?"

Yue Xingwen used a pen to draw a circle on the paper: "The murderer's crime time, and the path of movement."

Hearing the word "murderer", a group of students froze at the same time, Zou Yuhang's face was pale, and his lips couldn't help trembling: "Murderer, murderer? You mean, these five patients were killed by someone?!"

"That's right. The additional question allows us to find the real cause of death of the patients in the ward. If there is no human factor in their death, then the answer to this question is 'acute myocardial infarction'." Yue Xingwen paused and looked up at Everyone, "Do you think the 30-point supplementary question will be so easy to give points directly?"

It is easy for everyone to think of the death of acute myocardial infarction in patients with heart disease. The doctors' death case analysis is also written in this way, which is definitely not the correct answer.

"I personally believe that the deaths of the five patients were caused by the same murderer." Yue Xingwen turned to look at Liu Zhaoqing, "Senior brother, is there any medicine that can cause a heart attack to a patient with a heart attack?"

"Drugs for vasoconstrictors." Liu Zhaoqing once again clenched his left hand into a fist to represent the heart, and gestured with his right hand on it to explain: "You can understand this, patients with coronary heart disease have stenotic blood vessels on the surface of the heart, and the river channels are congested. Doctors usually use relaxation and softening. Drugs for blood vessels to dredge the river. But if they do the opposite, give them drugs to tighten blood vessels.” His **** suddenly clamped: “Once the blood vessels that were originally narrowed are tightened by the drugs, they will be blocked. live?"

Brother Liu's explanation, coupled with the gestures, is easy to understand. The patient has stenosis of the blood vessels. Continued use of vasoconstrictor drugs can easily lead to vascular occlusion, so that the patient may die of sudden myocardial infarction without knowing it.

- All they have to do is find this person, and that's the answer to the extra question.

Ke Shaobin put forward another conjecture: "Some highly toxic substances can kill these people quickly, right? If someone adds a highly toxic substance to their medicine, this injection can kill five people?"

Yue Xingwen nodded: "It is true that the possibility of poisoning cannot be ruled out."

Qu Weiwei turned pale, bit her lip and asked, "But who would do this? What's the reason for doing this? What kind of hatred do the five patients have with him?"

Zou Yuhang guessed: "From the information we have compiled, the five patients do not know each other at all, so the probability of offending the same murderer is very small, right? Could it be a perverted doctor in the hospital doing human experiments? The level of "The Laboratory" is the monkey mutation caused by the problem of the drug in the laboratory."

Yue Xingwen also thought about this possibility. He pondered for a moment and pointed out a doubt: "In the laboratory class, researchers experimented with antiviral drugs on animals. If the cardiovascular ward is also experimenting with new drugs, Brother Liu should be able to find out from the case, right?"

He looked at Liu Zhaoqing, who hurriedly opened the diagnosis and treatment records of several patients in his laptop, pointed to the medicines on it and said, "I have seen the diagnosis and treatment plan yesterday, and there is no problem. The doctor prescribes the patients with coronary control, which is common in clinical practice. The medicine for heart disease, we also turned over the trash can just now, and found no suspicious medicine, it should not be the doctor doing the experiment."

Ke Shaobin said: "After analysis and analysis, Xingwen's inference is the most reasonable - there is a latent murderer in the ward. He secretly changed the medicine, or added a high poison to the medicine, killing five patients in a row. ."

The faces of the classmates were a little ugly.

Is this exam really a reasoning to find a murderer during the day and a thriller battle royale at night?

Everyone looked at Yue Xingwen, Zou Yuhang said, "Xingwen, what clues do you have on the murderer?"

Yue Xingwen cleared his throat and concluded: "Many murderers and deceased serial murderers have common characteristics, such as long-haired women, young men, etc. This is usually related to the murderer's hatred of such people. In our case, the five deceased were of different ages, identities, and genders, but the common point was heart disease. The murderer should have some dissatisfaction with heart disease patients. He specializes in killing heart disease patients, and we all have to be careful.”

Zou Yuhang couldn't help but complain: "Kill heart disease? Isn't it hard to reason?"

Yue Xingwen said calmly: "It's not too difficult. Because the murderer of this case is by our side, and there is a fixed range of suspects, we can use the exclusion method to investigate one by one."

Liu Zhaoqing quickly reacted: "That's right! The patient died last night. The time of death included one, three, and five in the morning. At night, the door of the ward was locked, and outsiders could not come in. It means that the murderer was dead last night. In the ward!"

Yue Xingwen nodded: "Except for the 10 of us and the 5 people who have been killed, all the doctors, nurses, and patients on duty who stayed in the ward last night are suspects. Let's look at this picture I drew first. ."

He picked up the paper he had drawn for a long time and showed it in front of everyone.

The students were surprised to find that he had drawn a strange ring-shaped trajectory on it.

Yue Xing Wen said: "The five patients died at 1:10, 1:20; 3:30, 3:40; and 5:00, divided into three stages, the order of murder by the murderers, from 15 Beds, 24 beds, then 5 beds, 50 beds, and finally 33 beds, this is the murderer's movement route last night."

He used a pen to draw three arrows on the paper, representing the murderer's movement trajectory in the three time periods, followed by: "According to the analysis of the graphic trajectory and the inference of criminal psychology, the murderer will first choose the one closest to him when committing a crime. People, it is convenient to start, and only after the crime is successful, will you choose a hospital bed that is far away. Then, the murderer is very likely to be-"

He drew an intersection of the three moving trajectories, and circled the two wards at the intersection: "Here."

The classmates stared at Yue Xingwen dumbfounded.

After a while, Liu Zhaoqing gave a thumbs up: "Detective Yue is awesome!"

Zou Yuhang looked in admiration: "Dude, aren't you from the Chinese department, why do you still understand motion trajectory analysis?"

Yue Xingwen explained with a smile: "I have a friend in the mathematics department, and I learned the method of trajectory analysis from him. If he took this test, he would definitely find the connection between the time of death, the path of movement and the location of the murderer quickly. "

Everyone: "…"

Following a squad leader like Yue Xingwen, can you get points by laying down and winning?