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   The patient\'s own blood fluctuated abnormally, causing the embolus to move back and forth by itself. Dr. Hu\'s vision was brighter and darker for a while. What the younger sister said, Cao Yong, who is regarded as an "old" surgeon in surgery, just needs to think for a moment. Isn\'t this a symptom that the patient may have an aneurysm?

  The textbook of clinical symptoms of aneurysm says that there is no such abnormal fluctuation of blood. But the surgeon is different. It is the experience advantage of the "old" doctor to be able to observe such a subtle landscape during the operation.

   An intracranial aneurysm is an abnormal bulge of an intracranial artery, which can be imagined as a blood reservoir. Normal vessel diameters hold limited blood, and the blood fluctuates within fixed limits. After adding a blood reservoir, if there is a slight disturbance, the water in the reservoir will be released to the blood vessels or the blood from the blood vessels will flow back into the reservoir. Do you think this blood fluctuation will not be large? If the blood fluctuates more, it will directly break the wall and bleed.

   During the operation, if the doctor touches these aneurysms, they can feel the pulsation, which is a typical manifestation of blood fluctuation. The principle is that the aneurysm is connected with the arterial blood vessels and undertakes the pressure of the arterial blood vessels. If the arterial blood vessels have pressure and pulse, the aneurysm must have it, and because it is a reservoir, the effect will be more intense.

  The anatomical direction of the internal carotid artery was mentioned last time, and it has a lot to do with the ring of willis. As long as you are an "old" doctor of neurosurgery, you know that the ring of willis has a high probability of developing aneurysm, and it is a frequent site of aneurysm. If the aneurysm is relatively small and has not ruptured, the patient\'s clinical symptoms are not obvious, but the absence of the aneurysm cannot be completely ruled out.

   So far, he, Cao Yong, an "older" doctor, can quickly think of actual cases for reference and then make a more realistic diagnosis. It\'s reasonable that the young doctor couldn\'t do him.

  The doctor put it bluntly, it is really an industry that gets more and more popular as it gets older.

  The fact that the ophthalmologist did not judge Dr. Hu in time cannot be said to be wrong with the ophthalmologist.

   Dr. Hu\'s eye disease is not caused by aneurysm alone, but is the result of a variety of factors, which conforms to the rule that the causes of many clinical diseases are not the result of a single factor. Aneurysm may be a contributing factor rather than the main cause of Dr. Hu\'s eye disease aggravation. But if the aneurysm really has a bonus on Dr. Hu\'s disease, then the doctor\'s grasp of this point may be an opportunity to solve Dr. Hu\'s eye disease.

   In any case, the ophthalmology department successfully helped the patient to resolve the emergency in the early stage of the disease. For the rest of the patients, the ophthalmology department has not been able to detect the cause. When the patient\'s condition reaches a problem that cannot be solved by a single department, it is usually necessary to brainstorm various medical departments. Patients widely seek the opinions of doctors in other departments, and seek medical advice from neurosurgery, which is a normal course of medical treatment for clinically difficult diseases.

   This is often the case in clinical practice. A patient with incurable diseases depends mostly on luck to seek a good doctor. Good luck, it is a big luck to bump into a doctor like Cao Yong who thinks of an opportunity. If you are unlucky, you will lose the best time window for the treatment of the disease during the process of seeking medical treatment, even if it is found out later, it will not help.

   (end of this chapter)