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¡¾1448¡¿Key inspection areas

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    "You said the blockage is not in the throat?" Zhang Huayao asked Xie Wanying while observing hard.

    Blockages generally do not fall into the trachea immediately, which is why foreign bodies in the airway are common, but it is not uncommon to suffocate if they fall into the trachea.  The physiological reactions and structures of the human body are effective in preventing accidental swallowing of foreign bodies in daily life.

    The most common physiological reaction is the gag reflex, that is, touching the posterior wall of the pharynx with a tongue depressor will cause nausea and vomiting.

    To prevent foreign objects from accidentally entering the trachea, one of the most important anatomical structures of our human body is called the epiglottis.  This place was already mentioned during the last fiberoptic bronchoscope.  So what I want to say now is that if there is a foreign body, due to the physiological defense function of the epiglottis, most of the foreign body will be repelled and stuck around the epiglottis.

    An experienced emergency physician who encounters a patient with foreign body obstruction will conduct a focused examination in this area.

    Based on her previous observations in the children's mouths and preliminary judgments about brain formation, Xie Wanying said: "No foreign bodies were found in the tonsils and oropharynx on both sides. No foreign bodies were found at the intersection of the base of the tongue and the epiglottis. The retention of foreign bodies is often mentioned in textbooks  There is no abnormality in the piriform fossae on both sides of the laryngeal entrance. Therefore, the blockage should have fallen into the trachea, probably at the tracheal bifurcation. The length of the trachea of ??a five-year-old child is about five centimeters. You can try using laryngeal foreign body forceps.  Come and get it.¡±

    It is indeed an excellent medical student, and every place that is said to be the key point, so that the teacher is unspeakable.  As she said, 20 to 30% of foreign bodies will fall into the tonsils and oropharynx on both sides.  Most will fall to the base of the tongue and epiglottis.  As for the pyriform fossa where foreign bodies are retained as written in textbooks, it is rare.

    Zhang Huayao carefully inspected these places and found no foreign objects.  This is certainly not a good thing for the child. As long as the doctor does not find the foreign body, the patient will die.  Now we can only hope that the foreign body will fall into the trachea instead of going to the bronchus. As long as a direct laryngoscope can be found here, there is an opportunity to use a direct laryngoscope and foreign body forceps to remove the foreign body.

    ¡°Dong dong dong dong, Lin Liqiong ran back again, until she was almost breathless.  After opening the small blue box she brought in this time, she finally lived up to her expectations and got the direct laryngoscope.

    "Do you have foreign body forceps?" Zhang Huayao asked.

    "Yes." Lin Liqiong gasped while touching the pockets of her white coat. Maybe she was too hasty, and her hands were shaking uncontrollably.

    Xie Wanying stretched out her hand and held her hand to stop her trembling.

    "Thank you." Lin Liqiong whispered, calming down and taking out the things in her pocket, "I can only find this."

    Zhang Huayao took the equipment she found and looked at it carefully and said, "That's not right."

    "This is the endotracheal intubation forceps." Cao Yong said as he looked at it and knew something was wrong.

    The classification of medical devices is very detailed.  Of course, there are many times when doctors have to use the wrong medical equipment to provide emergency treatment to patients.  However, some are really not universal.

    For example, the current endotracheal intubation forceps has a round head and a relatively large cross-section. It is quite awkward to enter the child's trachea, but it can remove foreign objects from the feeding tube.  The front-to-back diameter of a five-year-old child's trachea is about eight millimeters.  The reason for taking the front-to-back diameter as an example is that the trachea is not a right cylinder, but a flat shape. The front-to-back diameter and the transverse diameter are not the same, and the transverse diameter is larger than the front-to-back diameter.  Both the front and rear diameter and the transverse diameter of children are much smaller than those of adults.  (Remember the website address: www.hlnovel.com
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