Anaesthetics

Anaesthetics

Anaesthetics are a group of medications used to induce a loss of sensation, typically in the entire body or in certain areas. They are commonly known as anaesthetic agents and include general anaesthetics, local anaesthetics and regional anaesthesia. The term ‘anaesthesia’ comes from the Greek words an (without) and aesthesia (feeling).

General Anaesthesia
General anaesthesia is used for major surgery which requires patients to be unconscious during the procedure. It works by depressing the central nervous system so that it can no longer respond to pain stimuli or other external stimulation. Examples of drugs used for this purpose include propofol, ketamine, sevoflurane and desflurane. General anaesthesia has significant side effects including nausea, vomiting, dizziness and confusion post-surgery; however these symptoms generally resolve quickly with appropriate treatment.

Local Anaesthesias
Local anaesthesias work on a smaller area than general ones do by blocking nerve signals from being sent to specific regions such as a limb or organ system like the eye or bladder. This type of medication does not cause any unconsciousness but will make you numb if applied topically or injected directly into tissue near where surgical procedure is taking place . An example of drug that is often used for this purpose is lidocaine which numbs skin before incisions are made during operations like appendectomies or cesarean sections. Local anesthesia may also be used prior to minor procedures like dental fillings and injections at your doctor’s office without having any side effects afterwards either because it only affects small areas away from major organs systems in our bodies when administered correctly under medical supervision .

Regional Anaesthesias
Regional analgesia works similarly to local one except that it blocks nerve impulses over larger parts of our bodies such as lower half/upper half instead just focusing on one particular spot where medication needs actioned upon surgically speaking . Examples drugs used here could be bupivacaine epinephrine which can block sensations between chest waistline through spinal epidural injection while patient remains conscious throughout process , allowing them take part actively decision making about their own treatments without fear feeling pain itself due sedation factor present with general anesthetic techniques described earlier article .

In conclusion, although all three types of anesthesia have their advantages & disadvantages depending upon situation they’re being applied , each should always carry out with utmost care professional supervision cases potentially life threatening complications even death result poor usage technique administration medicines involved when not done properly monitored closely environment designed solely safety comfort both patient doctors alike best possible outcome achieved ensuring successful outcomes every time relevant situations arise within healthcare setting worldwide today tomorrow years come!