2:30 PM.

Zhao Heng arrived at the cardiothoracic department, hoping to gain more information about the cardiac pacemaker used by the patient.

For anesthetizing patients with cardiac pacemakers, as an anesthesiologist, one must know detailed information about the pacemaker, such as the type and manufacturer of the equipment, the hospital where it was implanted, follow-up status, battery condition, device location, etc.

Additionally, one needs to know if the patient has pacemaker dependency; this dependency refers to whether any spontaneous ventricular activity or intolerable spontaneous activity at low frequency occurs when the CIED is set to VVI 30~40 times/min.

Being an anesthesiologist is not at all like the public impressions of starting surgery, playing with the phone, and packing up the phone after the surgery ends and leaving.

It's as if the anesthesiologist's sole job throughout the surgery is just sitting there and playing with the phone.

For many patients with complex and special conditions, preoperative anesthesia requires a lot of preparation.

After gaining a brief understanding, Zhao Heng realized that this cardiac pacemaker came from the Sino Company.

The Sino Company truly excels in its field, as evidenced by its presence in the high-end domain of cardiac pacemakers.

Having identified the Sino Company, Zhao Heng contacted their customer service through the cardiothoracic department.

Next, he waited at the cardiothoracic department for the Sino Company's technical personnel to arrive.

In the doctor's office, Jiang Rui, unusually, made Zhao Heng a cup of coffee with the original Blue Mountain coffee he brought back.

This indicates that Jiang Rui has a high recognition of Zhao Heng's professional level now.

Sipping the original Blue Mountain coffee, Zhao Heng found it quite pleasant.

Even someone like him who seldom drinks coffee could tell it's indeed good coffee, which made Zhao Heng have a better impression of Jiang Rui.

The friendship between men is sometimes as simple as that; perhaps at a dinner table, finishing a bottle of liquor could make two men sworn brothers.

Here, Jiang Rui and Zhao Heng drinking coffee together had the same effect.

"Dr. Zhao, even at Hopkins, I rarely see anyone preparing for preoperative anesthesia so meticulously,"

Jiang Rui looked at Zhao Heng, somewhat admiringly said.

Actually, for cardiac pacemakers, anesthesiologists only need basic information.

But for surgical safety, Zhao Heng still pursued the most detailed understanding.

He even called for medical equipment company technicians, preparing for a more in-depth and detailed understanding.

If it were other doctors, they might see Zhao Heng as overdoing it.

Yet, Jiang Rui, having returned from Johns Hopkins Medical School, greatly appreciates Zhao Heng's attitude of striving for excellence.

"Performing surgery is like going to war; no one minds making too much preparation,"

Zhao Heng said calmly.

"Yes, it is indeed like that,"

Seeing Zhao Heng's serene demeanor, Jiang Rui appreciated him even more.

No wonder he is the person constantly mentioned by my senior sister; indeed, he is exceptional.

Soon after, Sino's technical personnel arrived, a middle-aged uncle dressed in casual attire, slightly balding, and carrying a computer bag and a metal box, followed by someone whom Zhao Heng knew well.

"Gu Jia?"

Seeing the person behind the balding technical uncle, Zhao Heng was somewhat surprised.

Zhao Heng was sure he called a technician earlier.

Why did Gu Jia come along?

"What's wrong? Surprised to see me?"

Seeing Zhao Heng's surprised expression, Gu Jia couldn't help but feel a bit smug.

She had been internally designated by the company as one of the main sales personnel liaising with Eastern Hospital.

Thanks to uploading Zhao Heng's flawless operation video, the head office greatly praised Gu Jia's exploratory behavior and active market expansion, promoting her as one of the sales responsible for the company's business with Eastern Hospital.

This position has traditionally been given to the top-performing sales personnel.

"By the way, this is Liu, an engineer from the company's technical department,"

Gu Jia introduced.

"Hello, Dr. Zhao,"

The middle-aged balding technical uncle, also one of Sino's foremost engineers, Liu, greeted.

Having Liu here highlights Sino's emphasis on Eastern Hospital.

"Alright, let's get started,"

Zhao Heng nodded towards Gu Jia and then spoke to Liu.

He has always prioritized work first.

"Dr. Zhao, what data would you like to know?"

Liu adjusted his glasses and looked at Zhao Heng, asking.

Working as an engineer at Sino, Liu is quite skilled, and within the industry, his level is top-notch.

Being called to the hospital, he was curious.

Because even when doctors wanted pacemaker data before, they merely requested a brochure from the company, never requiring engineers to be present.

Calling an engineer is certainly not for addressing basic parameter issues.

"Well, Engineer Liu, I want to ask about electromagnetic interference regarding this pacemaker,"

Zhao Heng spoke up, posing a very professional and deep question.

Electromagnetic interference is an issue that may occur in surgically installed pacemaker patients, as the pacemaker might mistakenly interpret electromagnetic interference as cardiac rhythm, potentially leading to pacing failure, inappropriate pacing, and other equipment function anomalies.

"Electromagnetic interference? Do you know what type of electrocautery is being used in this surgery?"

Liu's eyes lit up upon hearing Zhao Heng's question and quickly continued.

Zhao Heng's question was very profound, typically understood only by technical personnel.

Doctors generally do not grasp such deep technical questions.

"Our hospital's cardiothoracic department usually uses bipolar forceps,"

Zhao Heng thought and responded.

Engineer Liu's question would be challenging for other doctors to answer.

But for Zhao Heng, with his all-around skills, he could answer comprehensively.

After all, no doctor in their spare time would note which scalpel each surgery department uses.

The bipolar forceps provide high-frequency electrical energy through the two ends of the forceps to body tissue, causing blood vessels between the two ends to dehydrate and coagulate, achieving hemostasis.

"Yes, bipolar forceps do not require matching a negative plate, which minimizes electromagnetic interference for pacemakers,"

Liu nodded in agreement.

He never expected that an anesthesiologist like Zhao Heng would have such deep understanding of electromagnetic technology problems.

With this level of comprehension, Zhao Heng could even be a professional medical electronic equipment repair engineer.

This is why having multiple skills is beneficial.

Even said conservatively, if Zhao Heng weren't a doctor, he could still work as a medical equipment repair and maintenance engineer to earn a living.

The conversation between Zhao Heng and Liu flowed smoothly, while Gu Jia was completely confounded; she could only understand terms like "pacemaker" and "electrocautery."

Jiang Rui, too, was quite puzzled, not much better. As a cardiothoracic doctor, he had heard of and even used bipolar forceps.

But on the scientific matter of deciding why bipolar forceps are selected for patients with pacemakers, he certainly did not understand this deep and professional electromagnetic issue.

His field is medicine, not electronics!

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