The half-human-high oxygen tank instantly made a sizzling sound. Under the action of high pressure, the gas hit the oxygen tube crazily, quickly sending high-concentration oxygen into the patient's body.

But even so, the old man was still gasping for air. Obviously, the concentration brought by the oxygen tube was still unable to meet his normal physiological needs.

"What should I do? The bead on the oxygen flow meter has reached its end. If we continue like this, we won't be able to solve the problem."

The little nurse saw that the old man was almost exhausted, and felt anxious. At this time, the oxygen flow meter was turned to the maximum, but it still didn't help.

The nurse quickly brought the monitor nearby to check the old man's vital signs. She stuck each electrode piece on the old man's body, and followed the lead wires on the monitor to transmit various data about the old man's body to the screen.

Suddenly, a sharp and piercing alarm sounded in his ears.

The entire monitor was alarming, and the screen was flashing fiercely. Every numerical value reflected on the patient's body was abnormal and was flashing continuously.

[Heart rate 140 beats/min, breathing 40 beats/min, blood pressure 170/100mmhg]

The most critical thing is that the blood oxygen saturation was only 78%.

The nurse was startled by the data in front of her, and the sharp sound surrounding her ears made her even more confused.

But at this moment, something worse happened.

The oxygen flow meter that was originally overloaded could no longer withstand the pressurized oxygen supply from the oxygen cylinder. There was a bang, and the flow meter installed on the oxygen cylinder was directly knocked over by the airflow and fell to pieces.

The nurse looked at the scattered fragments and the distilled water on the ground. She had never seen this scene before and was immediately stunned.

The old man who lacked oxygen support was suffocating even more. He was trying hard to open his mouth and was breathing heavily.

His skinny body was trembling constantly, and he looked as if he had just been fished out of the water. His whole body was clammy, and even the clothes he was wearing were soaked through.

"I'm so nervous that I'm going to die from suffocation." The old man stared, nodding as he kept breathing, and even his consciousness was a little blurry.

"Uncle, I...I'll find you another flow meter, hold on."

The bewildered nurse hurriedly rummaged through boxes and cabinets to find a spare oxygen flow meter.

However, the old man could not insist on the nurse finding a new oxygen flow meter. At this time, he felt that his lungs seemed to be filled with mercury. Although he was trying to breathe, there was simply not enough oxygen.

Suddenly, the old man's eyes widened in anger, and he felt a soreness in his throat. The extremely itchy feeling suddenly made his lungs begin to contract violently.

Cough cough cough!

As the old man coughed violently, a mouthful of bright red spurted out from the old man's mouth, dyeing the floor of the emergency room red.

"Vomited...vomited blood." The nurse was shocked when she saw this, and the heavy pressure made her feel dizzy.

Just when she was about to faint, the door to the rescue room behind her was suddenly opened from the outside.

"Doctor Wu, you are finally here, I can't hold it anymore."

The nurse turned around and saw that the person coming was Wu Xiangdong, and tears suddenly filled her eyes.

In her eyes, Wu Xiangdong's appearance was like a ray of sunshine in the darkness, instantly illuminating the nurse's heart.

"What's going on?" Wu Xiangdong was breathing heavily, and there was still dust on his clothes. He must have been in the emergency room after running back from the canteen in a dusty way.

Faced with Wu Xiangdong's inquiry, the nurse immediately began to give feedback on the situation at that time.

"The patient came to the hospital alone carrying a woven bag. He was going to see the outpatient clinic at that time, but the clinic was closed at noon, so he kept waiting in the outpatient hall."

"Later, for some unknown reason, he started to cough and have shortness of breath. The security guard patrolling the hospital discovered that the old man had an emergency, so he asked me to help him to the emergency room."

"Originally, I planned to wait until you finished eating before telling you about the situation, but not long after the old man was lying on the hospital bed, he started to feel panicked and the situation became more and more serious. I had no choice but to call you.

"

The nurse explained the patient's condition truthfully, and after finishing speaking, she looked at Wu Xiangdong with a guilty look on her face.

After all, anyone who has been busy all morning will look very angry if he wants to have a good meal at noon and is interrupted by others.

But after hearing this, Wu Xiangdong did not blame the nurse. Instead, he said: "You did the right thing. You must be on call in the emergency department to ensure the safety of the patients."

After that, Wu Xiangdong strode to the old man's side.

As soon as he entered the door, he was keenly aware of the foamy pink phlegm that the old man had just spat on the ground.

So he supported the old man and said to the nurse on the side: "Come here, lend a hand and help me help the old man to sit beside the bed."

Faced with such a request, the nurse was startled: "In his condition, he shouldn't be able to get off the ground."

The nurse thought that Wu Xiangdong was going to help the old man get out of bed, but the latter shook his head and said: "He is currently breathing heavily, his face is flushed, his heart sounds are elevated, and his lungs are full of rales. This is a typical symptom of acute left

Symptoms of heart failure.”

"The pink foamy sputum in the patient's mouth and nose is solid evidence of this symptom. Now I am not helping him out of bed, but putting him in a passive position to reduce the symptoms of heart failure."

As soon as these words came out, the nurse suddenly realized, and she realized what she was doing, and she and Wu Xiangdong quickly helped the old man up.

"Go get me a pillow and a tourniquet."

As Wu Xiangdong spoke, he lowered the old man's legs vertically to reduce venous return and reduce the burden on the heart.

As soon as he finished all this, the nurse handed him what he wanted.

After Wu Xiangdong took it, he stuffed the pillow directly into the old man's arms and let him hold it.

At the same time, the tourniquet in his hand was also used by Wu Xiangdong to tie the patient's lower limbs, thereby increasing the old man's lung capacity.

After adjusting the position, although the old man was still breathing heavily, his expression did not seem so painful.

Seeing this, Wu Xiangdong said to the nurse: "Go and prepare an oxygen inhalation device for the old man. Remember to put 30% ethanol solution in the oxygen bottle to humidify it."

At this time, the nurse happened to be holding a spare oxygen inhalation device in her hand. She was originally ready to install it on the patient, but she was stunned when she heard Wu Xiangdong said that he wanted to add ethanol to it.

You should know that the common name of ethanol is also called alcohol, which is divided into industrial alcohol, edible alcohol and medical alcohol.

Excluding industrial alcohol and edible alcohol, medical alcohol is generally used for disinfection in hospitals, but Wu Xiangdong actually wants to use it as humidification for patients to inhale into their lungs. Is this possible?

Seeing the nurse's hesitation, Wu Xiangdong explained directly: "Alcohol humidification is an important measure for patients with acute left heart failure. Its function is to reduce the surface active tension in the patient's alveoli, thereby increasing the patient's ability to exchange oxygen between the lungs.

.”

Speaking of this, Wu Xiangdong glanced at the debris scattered on the ground and said, "Do you know why you turned the oxygen flow to the maximum just now? Does the patient still feel panicked?"

"This is because the tension in the patient's alveoli is not enough, and the elderly man cannot fully utilize the oxygen infused, which leads to the continuous worsening of asthma and suffocation."

Although the nurse was still a little confused after hearing this, it did not hinder her operation. She quickly found an unopened bottle of alcohol from the cabinet below, which was marked with a concentration of 70% medical alcohol solution. Then she followed Wu Xiangdong's instructions
Chapter completed!