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   What is an aortic aneurysm? The aorta is the largest arterial tube in the body. The "tumor" on this vessel is the aortic aneurysm. The word "tumor" here is enclosed in quotation marks, indicating that this tumor is different from what we often call tumors. It is an enlarged, balloon-like tumor formed by pathological expansion of blood vessels. It is not considered a long tumor, but such a tumor is also called a true aortic aneurysm. Pseudo-aortic aneurysm is a tumor thrombus formed by blood flow out of the blood vessel after the rupture of the true aortic aneurysm.

  Speaking of aortic aneurysm, another disease that is easy to be confused with clinically is called aortic dissection. What is the difference between aortic dissection and aortic aneurysm? This means that the wall of the aorta is divided into three layers, the intima-media-adventitia. Aortic aneurysm rupture is a rupture of three membranes. Aortic dissection is a rupture of the intima and the adventitia. After intimal rupture, blood flow to the media tears the aorta from top to bottom. The image point is to tear the inner and outer skin of the rubber tube and inject water in the middle.

   The etiology of these two diseases can be atherosclerosis and hypertension. Both cases were fatal with acute rupture and massive hemorrhage.

  How to suspect Axi\'s mother\'s aortic disease, not the blood pressure fluctuations that Axi\'s mother\'s doctor friend said is not a big problem. This refers to the "strange symptoms" of the patient\'s recent high and low blood pressure.

   "When she measured her blood pressure, the nurse took it, right? The blood pressure was measured without a fixed limb, right?"

   Xie Wanying went to the obstetric inspection clinic of Beidu No. 3. It is impossible for the obstetrician to measure the blood pressure of the patient in person because there are too many patients. The simplistic medical examination of blood pressure is done by nurses. The doctor did not instruct which side of the blood pressure must be measured, and the patient casually stretched out a hand for the nurse to measure. Blood pressure measurement is generally a practice item for trainee nurses in Beidu San, and there is no such awareness of fixed measurement of blood pressure on one side of the limb.

  Aki\'s mother\'s blood pressure suddenly spiked. She prescribed antihypertensive medicine. After taking it, it came down. How much? Down forty or fifty?

   Liu Li, who prescribes the medicine, has a weak heart. How dare she, a young doctor, prescribe a large amount of antihypertensive drugs for pregnant women, and the sharp drop? No wonder she got more and more wrong the more she thought about it. She just didn\'t think that it might be because the blood pressure of the patient\'s two limbs was different.

  Young doctors and young nurses are all wise men. When experienced medical staff feel that the blood pressure is wrong, they should re-measure the blood pressure of both limbs. The reason why the medical staff were less vigilant this time was because Aki\'s mother\'s blood pressure did not break the watch. Clinically terrible high blood pressure has been said before, jumping to more than 100 or 200, and low pressure can reach 60 or 70. Aki\'s mother didn\'t. It was less than two hundred when it was high, and one hundred and twenty when it was low.

  Liu Li, on the other hand, thinks that something is wrong with Axi\'s mother. Axi\'s mother said that her hands and feet are more likely to feel cold recently. I don\'t know if the fetus is getting bigger and feels more and more uncomfortable in the waist.

   (end of this chapter)