coma or death can result from a bac of at least
Can a coma lead to death?
Ultimately, a coma can lead to a persistent vegetative state, brain death, or death. A coma is caused by an injury to the brain. Brain injury can be due to increased pressure, bleeding, loss of oxygen, or buildup of toxins. The injury can be temporary and reversible. It also can be permanent. A coma is a medical emergency.
Can a comatose person die without machine support?
Brain death occurs when someone who's comatose will die without machine support. A coma is a state of unconsciousness you can't be awakened from. The brain doesn't go through normal sleep cycles and you can't move in response to pain. Comas are caused by brain damage from head injuries or illness.
How many new comas are there each year?
The available research suggests that there are a little over 250 new comas per 100,000 people in the population of the United States and the United Kingdom each year. However, there’s uncertainty about the accuracy of that estimate. And there are multiple reasons for that uncertainty.
How does a coma affect your brain?
It also blocks your awareness of yourself, including your body’s status and anything your body needs. At the most basic level, a coma means your brain isn’t working as it should. Comas are a possible complication of conditions that can severely disrupt or damage your brain.
What Causes A Coma?
Many types of illnesses and injuries can damage your brain cells and put you in a coma, including: 1. Severe head injuries 2. Seizures 3. Brain infections 4. Brain damage from lack of oxygen 5. Drug overdose 6. Stroke 7. Chemical imbalances due to illness, such as low blood sugar (hypoglycemia) in diabetes Most comas only last a few weeks, though t
What Happens During A Coma
During a coma, brain activity is minimal. Most of the body continues to function as it works to heal itself and come out of that state. However, there's no awareness. A comatose person may move in ways that seem like they're awake, which can be misleading to friends and family. For example, they may grimace if something causes pain. They may even a
Recovering from A Coma
Whether someone can recover from a coma depends on many factors, including what put them there in the first place. For example, a coma from traumatic brain injury tends to have a better prognosis than a coma from cardiac arrest. Younger patients tend to do better than older ones. Someone in a drug-induced coma may wake naturally as the drug is clea
Other States of Unconsciousness
The same injuries and illnesses that put people in a coma can also lead to other states of unconsciousness. The four different states, from least to most severe, are: 1. Minimal consciousness 2. Coma 3. Vegetative state 4. Brain death Someone in the first three states may transition between them. For example, they may go from a coma to minimal cons
Summary
A coma is a state of unconsciousness you can't be awakened from. The brain doesn't go through normal sleep cycles and you can't move in response to pain. Comas are caused by brain damage from head injuries or illness. If damage is in certain key regions of the brain, recovery may not be possible. Age and the cause of the coma are other factors affe
A Word from Verywell
If someone you care about is in a state of unconsciousness, ask their medical team what state they're in and what kind of awareness they may have. Understanding the different possible states may influence your actions around the unconscious person and help guide your decisions regarding their care. verywellhealth.com
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