Anesthesia rule?

Why would anesthesia need to be continually administered to maintain a desired level of anesthetics?
Answers:
It's OK, even the surgeons don't know what we do.

First of adjectives, to keep the appropriate level of anesthesia, it must be balanced against surgical stimulation, which change throughout a case. It's a delicate balance - too little, and the forgiving is aware, moving, and will have dangerously high BP and HR. Too much, and overdose can organize to cardiovascular collapse and death.

Also, each drug is constantly metabolized by the body, (except the gases, which are eliminate by exhaling them). They wear off. You don't want to give two hours worth of drugs for a four hour procedure, do you?

We do a lot more than push drugs. Our basic job is to keep patients alive during surgery. We are concerned with hemodynamic stability, respiratory parameter, fluid balance and so on. We also have to be concerned with anything the patient had before surgery - heart disease, diabetes, etc. must also be taken into information and controlled.


(To the other answerer: induction = going to sleep; conduction = neuraxial blocks, like spinals and epidurals. Staying asleep is called "maintenance" or sometimes, "autopilot" LOL) Source(s): I'm an anesthesiologist.
Anesthesia is divided into two parts: induction, and conduction. You generally use two different drugs for respectively. Induction is when you put the patient "under" and conduction is maintaining the anesthetic state during the whole surgery. You continually administer the drug because the body continually disposes of it. Induction isn't roughly enough for the whole surgery.

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