The above statement is not very accurate. The reason is that ventilators are divided into invasive and non-invasive. Other departments do not have as many invasive ventilators as ICUs. Respiratory medicine departments have more than one or two non-invasive ventilators.
Let’s first explain what is invasive and what is non-invasive. The difference lies in the word invasive, which is trauma. The terms invasive and non-invasive in ventilators correspond to invasive mechanical ventilation and non-invasive mechanical ventilation respectively.
Mechanical ventilation, to put it simply, refers to the connection between the machine and the patient. Invasive means connecting the ventilator to the patient while the patient is intubated. Non-invasive means connecting the ventilator and the patient using a mask or other non-harmful means to the human body.
Non-invasive ventilation, broadly defined, not only refers to the use of ventilators, but also includes diaphragm pacing, etc. The latter are rarely used clinically and are difficult to see. There has always been only one reason for the technology that is rarely used clinically, which is the cost and effectiveness of treatment.
Mismatch.
Non-invasive ventilators can be widely used in respiratory medicine. For the same reason, the cost is less, patients are more affordable than invasive ventilation, and the efficacy is good. Early non-invasive ventilation can reduce the possibility of further deterioration of the condition to the need for invasive ventilation.
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Invasive ventilators can also be used for non-invasive ventilation. So in the ICU, you can see that some patients may need non-invasive ventilation after extubation and use invasive ventilators directly. Anyway, there are many ventilators in the ICU. However,
It is impossible to turn a non-invasive ventilator into an invasive ventilation. Because non-invasive ventilators are cheap, the compressor power and other indicators are bound to fall far short of the requirements of invasive ventilation.
Ventilators are precious, especially invasive ones, and must be managed by a dedicated person, usually a designated nurse. It is also the nurse who usually performs maintenance and management such as disinfection of the ventilator.
Nurses can adjust some simple parameters through ventilator training, but only doctors can adjust ventilator parameters for critically ill patients, because only doctors can understand the patient's various monitoring indicators.
How to adjust the parameters of the ventilator can be said to be the skill of professional doctors who study human respiration.
When she had time this morning, the enthusiastic teacher Xin Yanjun stood next to the ventilator and gave a lecture to the new students: "Do you know what we use to adjust the ventilator parameters?"
"The most commonly used and most useful monitoring indicator should be the patient's blood gas analysis." Xie Wanying said.
Hearing her quick answer, Xin Yanjun was stunned for a moment, but he did not expect that she was so accurate. Ventilator management has always been the focus of internal medicine. It is not easy for a surgical student to answer this on the first day of studying respiratory medicine.
Xie Wanying's answer didn't look like she had simply learned it from a book, but had some clinical experience. Xin Yanjun wondered if she had learned relevant knowledge somewhere in the clinic.
Teacher Xin’s suspicion is right. Xie Wanying just doesn’t want to be honest. She was born again. She used to work in the laboratory department. It was most common for the ICU to perform blood gas analysis on patients on ventilators every two days, or even do these tests urgently in the middle of the night. This accumulated over the years.
With her work experience, it is entirely possible that she understands ventilator monitoring indicators better than the average physician.
Laboratory work must be connected with clinical practice, and these work contents will follow clinical learning and research.
"There seem to be many modes of the ventilator, but in fact the principle of the ventilator is this. There is no sensor at the beginning, the machine directly inflates the patient's airway. With the sensor, the machine can sense the patient's breathing and adjust accordingly.
Make the machine and the patient's breathing more coordinated. The adjustment can be controlled by the machine's computer, or it can be manually operated by medical staff. Based on this principle, there are multiple computer modes."
