images (2)

 In the practice of medicine, anesthesia or anaesthesia is a state of temporary induced loss of sensation or awareness. It may include analgesia, paralysis, amnesia, or unconsciousness. Insensitivity to pain, especially as artificially induced by the administration of gases or the injection of drugs before surgical operations, during anaesthesia body temperature falls due to the effect of drugs.

Three broad categories of anaesthesia exist:

download

  1.  General anesthesia suppresses central nervous system activity and results in unconsciousness and total lack of sensation.

  2. Sedation suppresses the central nervous system to a lesser degree, inhibiting both anxiety and creation of long-term memories without resulting in unconsciousness.

  3. Regional anesthesia and local anesthesia, which block transmission of nerve impulses between a targeted part of the body and the central nervous system, causing loss of sensation in the targeted body part. A patient under regional or local anesthesia remains conscious, unless general anaesthesia or sedation is administered at the same time.

 

images

There are both major and minor risks of anesthesia. Examples of major risks include death, heart attack and pulmonary embolism whereas minor risks can include postoperative nausea and vomiting and hospital readmission. The likelihood of a complication occurring is proportional to the relative risk of a variety of factors related to the patient’s health, the complexity of the surgery being performed and the type of anesthetic used. Of these factors, the person’s health prior to surgery (stratified by the ASA physical status classification system) has the greatest bearing on the probability of a complication occurring. Patients typically wake within minutes of an anesthetic being terminated and regain their senses within hours. One exception is a condition called long-term post-operative cognitive dysfunction, characterized by persistent confusion lasting weeks or months, which is more common in those undergoing cardiac surgery and in the elderly.

 

Names of specialist doctors

  • Dr. Rakesh Gupta
  • Dr. Rakesh Atrey
  • Dr. Swaraj Garg
  • Dr. Rajesj Dhall

Leave a Comment