How Long Can Someone Be Unconscious Before Brain Damage?

How long can someone be unconscious?

What are the long term effects of being knocked unconscious.

It depends on the severity of the injury.

If you lose consciousness briefly, and suffer a concussion, 75 to 90 percent of people will fully recover in a few months.

But severe damage to the brain can cause unconsciousness for days, weeks, or even longer..

How long can you be unconscious before coma?

Clinically, a coma can be defined as the inability consistently to follow a one-step command. It can also be defined as a score of ≤ 8 on the Glasgow Coma Scale (GCS) lasting ≥ 6 hours. For a patient to maintain consciousness, the components of wakefulness and awareness must be maintained.

How long are you unconscious after a head injury?

Loss of consciousness lasting 20 minutes to 6 hours. Some brain swelling or bleeding causing sleepiness, but still arousable. Severe: person is unconscious; eyes do not open, even with stimulation. Loss of consciousness lasting more than 6 hours.

Can a dying person cry?

Instead of peacefully floating off, the dying person may cry out and try to get out of bed. Their muscles might twitch or spasm. The body can appear tormented. There are physical causes for terminal agitation like urine retention, shortness of breath, pain and metabolic abnormalities.

Can you feel pain unconscious?

The unconscious person may still feel pain as they did when they were awake. For this reason pain medication will continue to be administered but perhaps by another method such as the subcutaneous route (through a butterfly clip in the stomach, arm or leg).

Can you be unconscious for hours?

What is unconsciousness? Unconsciousness is when a person suddenly becomes unable to respond to stimuli and appears to be asleep. A person may be unconscious for a few seconds — as in fainting — or for longer periods of time. People who become unconscious don’t respond to loud sounds or shaking.

What’s the difference between unconscious and unresponsive?

Unconsciousness is an unresponsive state. A person who is unconscious may seem like they are sleeping, but may not respond to outside events, such as loud noises or being touched or shaken. Fainting is a type of unconsciousness that comes on suddenly and may only last a few seconds.

Can unconscious patients hear?

Twenty-five percent of all unconscious patients can hear, understand, and emotionally respond to what is happening in their external environment. However, because of their medical condition, they are incapable of moving or communicating their awareness.

Can you talk while unconscious?

Studies of patients’ memories of their unconscious state indicate that they heard and understood conversations. Lawrence (1995) found that unconscious patients could hear and respond emotionally to verbal communication.