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◆◆◆Volume 1 Conan◆◆◆ Chapter 212 Analysis of the Cause of Death

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    After hearing Megure's question, Ogata explained in detail: "The blood circulation of the human body first goes from the superior and inferior vena cava to the right atrium and right ventricle, then from the pulmonary artery to the pulmonary vein, and then to the left atrium, left ventricle, aorta and body tissues.  Because the deceased was in a sitting position, even if his signs of life stopped and the blood circulation was stopped, when the poisonous needle penetrated the body of the deceased, some of the toxins would be in the aorta at the neck of the corpse.  When the support point is lost and the whole person is lying on the table, the short-term diffusion of the arteries in the shaking is used to distribute the diffusion to each capillary. The two closest places near the neck are nodes that spread to the edge, one is the lips.  One is through the fingertips of the arm." After he finished speaking, he gently opened the mouth of the deceased with his white-gloved palm. Everyone looked over curiously, and then Ogata said: "If you talk about a normal poisonous corpse.  The purple lips are indeed an undoubted autopsy phenomenon, but we can see that the lips of this corpse are not uniform in color, and are almost invisible to the naked eye. Looking at his throat, he was usually poisoned to death.  Regardless of whether there was conscious activity at the time of death, their tongues must be curled up, because when the body rapidly loses its functions, the nerves will make a specific reflex, and the tongue will capture this reflex and will naturally  It was shrunk to the inside of the throat, forming two extremes with the hanging corpse. " Hattori Heiji suddenly felt that Ogata had opened another door for everyone at this moment, a door to an unknown world waiting to be explored, and he understood and understood.  Perception is completely different.  Ogata took out a medical pen flashlight and illuminated the deceased's mouth and throat. Everything could be seen clearly under the light.  "But the tongue of the corpse is in its natural form. So through the performance of the mouth, I can further confirm that when the deceased Damura was stabbed to death with a poisonous needle by Mrs. Damura, the real cause of death was not due to the poison penetrating into the body.  He died, but before he was killed, he had already turned into a corpse, waiting for Mrs. Damura to mislead the truth." After a pause, he continued: "What is the real cause of death, everyone?  Don't take your eyes away from the deceased's mouth." Ogata slowly closed the deceased's mouth with his hands and said to everyone, "What do you see like this?" "Huh?  Hattori Heiji and Kudo Shinichi quickly looked at them.  Mouri Kogoro, Megure, and others also started to observe and daydream.  "Besides the purple color seeping through the lips, is there anything else I should pay attention to?" Hattori Heiji looked at it carefully for a long time, but couldn't find what Ogata said. Now he wouldn't feel it was a hindrance to his face, so he asked directly.  "Between the lips and the lips, a gap becomes more and more obvious as the body gradually stiffens." Ogata said lightly.  "Gap?" Hattori Heiji looked at his lips again. Indeed, when the two lips were closed, there would be a gap, a gap that you wouldn't even care about if you didn't look carefully.  Ogata nodded: "It's called a gap or a gap. They are both used to describe the phenomenon that the two lips of this corpse have become rigid during the closing process, or even said that they cannot be completely closed. This phenomenon will not appear in the poisonous corpse, because  Just like the curling of the tongue, when human functions are destroyed by toxins, everything in the mouth is in a state of constriction. And this gap also opens the way for another cause of death. " Another cause of death!  Hearing this key information point, everyone stared at the confident and serious forensic doctor.  "Although the deceased loses consciousness before death, the body will produce an instinctive reaction, that is, in a state of hypoxia, the mouth will slowly open, allowing the body to take in more air to flow into the heart and lungs.  , which is the main reason why the two lips cannot close as we see.  "Lack of oxygen?" I was stunned for a moment, a completely unexpected answer.  "Yes, just like the mouth, the organ that serves as another respiratory valve is the respiratory tract formed by the nostrils. We have seen photos of the deceased before his death. The size of the nostrils is very ordinary and close to that of a normal person, but the nostrils on this corpse  The contractions increased significantly and looked a little strange. The reason why his nostrils were enlarged was because he was not breathing smoothly before death, so he struggled to take in air due to the lack of oxygen supply. The nasal polyps and the barriers in the nose.  This is the same as people who have had rhinitis and breathe through their mouth and nose at the same time." When Ogata said this, he gradually got to the point.  Everyone is waiting for his inference and the truth.  “The reason why there is hypoxia is because in the body,Something happened to one of the most important organs!  "Ogata looked at a pair of eyes and said calmly. Kudo Shinichi looked at Ogata. He felt that he was extremely uncomfortable, but he had to support himself to hear the final result: "The thing that can affect breathing should be the lungs or  Heart, right?  "    "Um.  It's the heart of the deceased!  "Ogata nodded, this is common sense. "Mouri Kogoro asked urgently: "Is it possible that Mr. Damura Dong died of a heart attack in the study?"  " "It is closely related to the heart, but it is somewhat inappropriate to define it as the sudden death of the deceased.  So everyone should listen carefully to what I’m going to say next. If you miss every detail, you won’t be unable to keep up with your ideas.  " Ogata continued in a gentle voice: "The heart is the driving force in the human circulatory system.  Its function is to promote blood flow, provide sufficient blood flow to organs and tissues to supply oxygen and various nutrients, and take away the end products of metabolism, so that cells can maintain normal metabolism and function.  That's why I mentioned that the deceased suffered from hypoxia before death, because there were some effects on the heart function.  " "We can feel the blood vessels and tendons in the upper body of this corpse through the palms of our hands. They are obviously bulging. This is because there are obstacles in the blood supply and circulation.  Moreover, the deceased's face and the color of his skin were closer to a sickly pallor.  In the abdomen of the deceased, there will be an obvious feeling of collapse during the process of pressing down.  Moreover, the conjunctiva of both eyes of the deceased was pale, the cornea on both sides was slightly opaque, and the interpupillary distance on the left and right sides was not equal. These are all cadaver symptoms of cardiac arrest and heart failure.  " Ogata adjusted his thoughts and continued: "If these appearances are just the evidence, it is indeed very persuasive. It is impossible to believe that the deceased died earlier because of his heart, before Mrs. Tatsumura stabbed him with a poisonous needle.  " "So to determine the cause of death in this regard, I will do a simple dissection on this corpse. It will not take too long to conduct a detailed argument.  Because a patient with heart problems will lead to cardiac fiber abnormalities, embolism, necrosis and other manifestations, so as long as there is an opportunity to cut open the body, we can see the truth that we can touch with our eyes." Anatomy! In front of everyone  Everyone was startled, and subconsciously looked at Tatsumura Takayama and his father, Tatsumura Toshimitsu. Tatsumura Takayama was the junior, so he looked at his grandfather as he should.  , are you sure you can help Gong Jiang?  "With remorse and shame, the elderly Tatsumura Toshimitsu slowly asked. "Forensic doctors will not joke with the truth.  "Ogata replied seriously, he would not bring up things easily if he was not sure or confident. "Okay.  "Tamamura Toshimitsu nodded helplessly. He could imagine the scene after his son's body was dissected. But in order to make amends for the sins he committed back then, he still reluctantly agreed. After obtaining the consent of the deceased's family,  Megure said to Ogata: "The next step is up to you, brother Ogata.  " Ogata nodded, took his tool box, and under the nervous and curious eyes of others, he took out a slender and sharp scalpel shaped like a willow leaf. "Those who feel uncomfortable, close their eyes.  .  " After the words fell, he paused for a few seconds. Ogata's wrist straightened the handle of the knife. The sharp edge of the knife fell just a few centimeters above the skin of the deceased's chest. His eyes were cautious and serious. His thinking and imagination were still, and he was fully focused on it.  In preparation for the dissection, Ogata's hand moved downwards steadily without any trembling as his eyes averted. The blade of the knife was like a silvery white light, drawing a long line and rolling.  The skin, fat and grease, seeped with blood and slowly overflowed. (To be continued. 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