Loss of consciousness, either complete or partial, is the temporary interruption of awareness of one's surroundings and self. It is called syncope or fainting. Syncope results from a temporary shortage of oxygen to the brain due to reduced blood supply.
Acutely Altered Consciousness - Different States
An unconscious person will not be aware of the environment, and there are multiple states of unconsciousness. Read further to know more.
General Anesthesia - Facts, Advantages, and Side Effects
It is natural to be anxious about getting a surgery done under general anesthesia, as you will be in a state of a medically-induced coma. Read the article to know the uses, possible side effects, and what to expect when you are administered general anesthesia

Loss Of Consciousness - A Serious Look at Fainting
Loss of consciousness is the inability of a person to respond to external stimuli caused due to sudden decrease in the blood flow to the brain.