Brain hypoxia is a form of hypoxia or oxygen deficiency affecting the brain. It occurs when the brain does not receive enough oxygen even though blood is still flowing. When oxygen supply is totally cut off, it is called brain anoxia.
Brain hypoxia is a medical emergency because the brain needs a constant supply of oxygen and nutrients to function properly.
There are several causes of brain hypoxia. They include drowning, suffocating, cardiac arrest, and stroke. Mild symptoms include memory loss and problems with motor function, such as movement. Severe cases can result in seizures and brain death. The symptoms of a lack of oxygen to the brain, or brain hypoxia, may be mild or severe and depend on the level and duration of oxygen deprivation.
Mild symptoms of brain hypoxia include:
temporary loss of memory
problems moving parts of the body
#inattentiveness
#poor judgment
Brain cells can begin to die after just 5 minutes of oxygen loss. Symptoms become more dangerous the longer oxygen flow to the brain is cut off.
Severe symptoms of brain hypoxia include:
#coma
#seizure
#brain death
In cases of brain death, there is no brain activity. The pupils of the eyes do not respond to light and people cannot breathe without assistance from a life-support machine. However, the heart continues to pump blood around the body.
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