Thursday morning, Lin Jie's office at the University Affiliated Hospital.

After reviewing Lu Donghai's latest test data, Lin Jie felt somewhat overwhelmed.

The latest cranial CT showed that in Lu Donghai's brain, only two blood clots were barely discernible, and they were significantly smaller than before. The other clots had completely dissipated or were too small to appear.

This was surely a very good sign.

However, the neurosurgery team concluded that Lu Donghai's memory control center and logical thinking center were damaged.

Lin Jie also found no signs of brain tumors, ruling out another major possibility.

The most abnormal of Lu Donghai's other test data was his blood lipid levels, with total plasma cholesterol exceeding 6.5, which is considered high.

He was also found to have high blood pressure, mild liver damage, kidney damage, and moderate fatty liver.

Considering Lu Donghai's excessively obese physique, these blood lipid levels, high blood pressure, and fatty liver were understandable. Moreover, given his past boxing experience, liver and kidney damage was not surprising.

However, the damage to the memory control center and logical thinking center left Lin Jie somewhat perplexed.

If Lu Donghai had quickly become foolish after the injury, Lin Jie would have understood due to blood clots from the injury or brain damage from a heavy blow.

But from the family's description, Lu Donghai's memory loss and foolishness were gradually worsening.

Now, more than a year later, these symptoms continued to worsen.

Based on analysis from several of Lu Donghai's examinations, Lin Jie believed the brain injury should be gradually recovering, not showing signs of progression.

What exactly was the cause?

Lin Jie walked to the film viewer to examine Lu Donghai's cranial angiographic images.

Varying thicknesses of blood vessels appeared as gray stripes on the film.

He found no signs of vascular blockage.

Lin Jie crossed his arms, propped his chin, and quickly filtered through Lu Donghai's examination data in his mind, pondering the cause...

Minutes passed by, yet Lin Jie found nothing, and his brain started to ache.

"Lanruo, do you have any insights?"

Desperate, Lin Jie turned to seek an expert.

In Lin Jie's mind, Shen Lanruo softly said, "Lin Jie, in terms of brain injury, I now know less than you do. Don't forget that you've absorbed Dr. Siselda's knowledge."

"On this subject, you know it more comprehensively and clearly than I do."

"However, I can offer you a way of thinking."

Lin Jie asked with great interest, "Lanruo, what thinking method?"

"When faced with too much information and unable to make effective decisions, trace back to the problem's origin," Shen Lanruo said leisurely. "This big guy's brain injury started with the boxing injury. Study the source closely."

Feeling that Shen Lanruo made a lot of sense, Lin Jie removed all the middle examination CT and angiographic images, leaving only the earliest and latest CT and angiographic images.

On the earliest CT image, there were scatterings of more than a dozen blood clots...

As Lin Jie observed these seemingly random clots, he suddenly had an insight.

He took a CT image, carefully overlaying it on the angiographic image, checking the specific distribution of the clots.

Several of the clots' positions caught Lin Jie's attention.

Due to technical limitations, cranial angiography can't show very tiny blood vessels.

These clots were located at the endpoints of small vessels hinted at in the angiograph.

Coincidentally, these positions corresponded to the brain's memory control center and logical thinking center.

Linking this with Lu Donghai's severely elevated blood lipid level, a smile gradually spread across Lin Jie's face, "Lanruo, I think I've found the cause."

"Oh, you found it so quickly? Tell me, let me judge if it's plausible," Shen Lanruo's tone carried a hint of skepticism.

Pointing at several overlapping areas on the CT and angiographic images, Lin Jie analyzed, "Lanruo, see these clots are likely pressing on these small arterial vessels."

"When arteries are compressed, blood flow is definitely severely affected. Furthermore, Lu Donghai's weight dramatically increased after the injury, and his blood lipid level rose sharply."

"High blood lipids combined with a sudden drop in blood flow rate certainly pose a risk of vascular blockage..."

Lin Jie continued, "Over time, these clots have gradually reduced and even disappeared."

"But these vessels should have already experienced blockages, so even without clot compression, blood flow remained low."

"High blood fat, slow blood flow, increasing blockages lead to a vicious cycle."

"With reduced oxygen and nutrient supply, the memory control and logical thinking centers had to gradually decrease their activity, worsening Lu Donghai's symptoms, making him increasingly appear foolish."

Lin Jie chuckled, "Just because these vessels are too fine, they don't appear on the angiograph. Even if there's some blockage, we can't detect it."

"Lanruo, what do you think of my hypothesis?"

After a moment's pause, Shen Lanruo's voice echoed, praised, "It's a highly plausible hypothesis. I think you've indeed found the cause."

"Verifying it is relatively simple, just inject contrast and observe differences in blood flow to the brain's memory and logical centers,"

Lin Jie exhaled softly, noticing it was almost noon.

Realizing he had a class at one, Lin Jie quickly tidied up and left the office...

After exiting the elevator, Lin Jie thought it over, then pulled out his phone to call Lu Kaicheng.

Upon answering the call, Lin Jie learned that Lu Kaicheng had no scheduled surgeries that afternoon and informed him of Lu Donghai's condition and his hypothesis.

He further urged, "Dr. Lu, please check, if my hypothesis is correct, perform an interventional surgery and inject thrombolytic agents to clear the vascular blockages."

Lu Kaicheng seriously assured, "Got it, Lin Jie. Go to your class, I'll handle this patient."

Lin Jie asked Lu Kaicheng to help immediately, not wanting to wait until after class to handle it himself for two reasons.

First, the earlier the treatment, the less risk for Lu Donghai.

Based on Lu Donghai's current foolish symptoms, his vascular blockages were quite severe, potentially putting him at risk of complete blockage and a cerebral infarction at any moment.

People often say certain words are ominous and come true.

Lin Jie didn't want Lu Donghai to have a stroke during his lecture, resulting in irreversible consequences.

Second, if Lin Jie's hypothesis was correct, the treatment was relatively straightforward.

An intervention through cerebral angiography to inject thrombolytic agents, dissolving fatty deposits on blood vessel walls to clear blockages, was all that was needed.

Of course, such a procedure required technical expertise, but Lu Kaicheng was fully capable of handling it.

After hanging up, Lin Jie got in his car and drove out of the hospital, heading towards the Medical College.

On the way, Lin Jie bought some food, eating as he drove, and reached the lecture hall at the Medical College just in time at one.

After a half-month break, Lin Jie was teaching again, and nearly two hundred people attended the lecture in the small 500-seat hall.

Lin Jie donned his portable microphone, "Alright, let's begin the class."

"In this class, we'll continue discussing..."

"Expert Lin, may I interrupt with a question?"

An abrupt voice rudely interrupted Lin Jie.

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