Some people know when they are going to faint because they have symptoms beforehand, such as feeling weak, nauseated, hot or dizzy. After they regain consciousness, they may feel confused, dizzy or ill for a while but recover fairly soon.

I've come dangerously close to whiting out - hearing falls away from my ears and they ring, skin feels cold and clammy, sweating like crazy, vision going white, nausea, dizziness, etc. But I've always sat down and recovered before I fell down and I've never lost consciousness.

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Think about the brain as firm jello. The two hemispheres are heavy, and the brainstem connecting the two hemispheres to the rest of the nervous system is narrow, like the stem of a flower. When the head is moved violently, the brain moves around in the skull. The heaviest part of the brain puts a lot of pressure on the brainstem, which can be twisted and pulled during the blow as the rest of the brain moves out of place. That twisting and pulling can cause brain circuits to break, or lose their insulation, or get kinked up, and that shuts off parts of the brain. If the part of the brainstem responsible for consciousness is affected, then you would be knocked out.

Many substances you consume can affect your brain chemistry. These substances can help to maintain or decrease consciousness. For example, caffeine is a stimulant, which means that it raises your levels of brain activity. Caffeine can be found in many foods and beverages you consume every day, such as coffee, soda, and chocolate. On the other hand, painkillers and tranquilizers make you drowsy. This side effect is a form of impaired consciousness.

Decreased consciousness can be a sign of a serious condition. Getting prompt medical attention is important for your long-term outlook. Your outlook can become worse the longer you spend in less than full consciousness.

Any person who has suffered loss of consciousness or an altered state of consciousness after a blow to the head should not return to their activity (eg sport) and should see a medical practitioner urgently.

My daughter who is 26 was in a severe car accident she lucky to walk away from this accident her personality has changed she thinks the airplanes are following her and that everybody in the world loves her and of course they do but she's just completely she tells me she knows how to play every instrument in the world that she's a teacher that she's this she's I don't understand what's going on and and who who who and who I don't know who to talk to I need some help but I don't know where to turn here but I know 100% my daughter needs some help cuz she's not herself and it's scary she just gets up and walks out the house and no reason and just runs away and I don't know she's going to hurt herself but I feel like somebody needs to be with her 24/7 now and I don't know what to do or who to talk to but this isn't my daughter and it's something that's scaring me

Hi so this is the situation, me and my boyfriend had an argument and I slapped him really hard in the face twice that caused him to fall down and lost his vision for about 2 minutes or 3?, then after that he felt bad head ache and a bit dizzy and he vomitted. What do you think happen? he has concussion? or a brain injury? I am already panicking, hope someone can answer me.

I fell and hit my head on my dresser it really hit hard, but never knocked me out or bled. I held ice on it for 2 days it swelled up and my whole eye face and neck was black and blue. I never went to Dr. It's been approx. 2 months all is ok except the temple of my head is still very sore. I don't have any bad symptoms. It's just very sore....you think I should have it checked out.....

I am a 73 year old woman and fell face down on a thin rug covering a concrete floor. I got two very black eyes and a big bump on my forehead. The black eyes looked awful, with severe bruising on my eyelids, eyes and spread out down my cheeks. I found my vision was affected, I had some trouble focusing, I had mild headaches and terrible insomnia. Over time, it spread even further to look like a mask...very much like a raccoon. It eventually spread out all the way down my cheeks to my chin. Gradually, the bruising all got lighter in color and, 6 weeks later, the bruising is gone now. There is still a little reddish bump on my forehead and some light bruise streaks on my cheeks (that not many would notice). I still have mild headaches. I was wearing glasses when I fell, and I think they protected me somewhat. I still have vision problems, a slight headache and trouble sleeping, but I think these problems will fade with time.

I hit my head while walking aand looking down. I walked into a fifth wheel camper . I could not see the front where the camper is off the ground while looking down. My head hit the side bottom edge . it felt like I was in highschool and somebody sucker punched me. I had had slight sharp headachy type pains , the dr said take tylenol which makes me feel better , this happened about 4 days ago so the swelling has went down, but today i had trouble remembering how to get to my daughters dr appt . but we took the interstate a way i usually dont go . so he it is what it is i just wanted to read the comments and see what i could find out about it. my dr responded to my email and from what i told her she seems to not think im going to die. she was like i will see you on the 15th which is my next in less then a week

Sometimes people don't want to call 911. They may think that their symptoms aren't serious or that they can just get someone else to drive them. Or they might be concerned about the cost. But based on your answers, the safest and quickest way for you to get the care you need is to call 911 for medical transport to the hospital.

Jon is a writer from California and now floats somewhere on an island in the Mediterranean. He thinks most issues can be solved by petting a good dog, and he spends plenty of time doing so. Time not spent at his desk is probably spent making art or entertaining humans or other animals.

A sudden loss of consciousness without warning can result from fainting, or syncope. 

Neurally mediated syncope (NMS) is the most common form of fainting. NMS is generally harmless and does not usually require medical treatment.

To help prevent a loss of consciousness as a result of fainting, doctors warn against spending too much time in hot places. For people feeling lightheaded, nauseous, or overly sweaty, they recommend lying down and elevating the legs. 

Generally, it can also help to stay hydrated and eat more salt.

Some people need medication or a pacemaker to prevent a loss of consciousness. Anyone with concerns about this should consult a doctor.

Preventing a loss of consciousness can also involve getting a diagnosis and treatment for an underlying issue. 

Generally, having a healthy diet, getting enough exercise, attending screenings and scheduled visits, and receiving prompt medical treatment for any health concerns can help people prevent causes of unconsciousness.

Many people who have had a significant brain injury will experience changes in their thinking (cognitive) skills. It may be more difficult to focus and take longer to process your thoughts. Traumatic brain injury can result in problems with many skills, including:

While fainting may happen because of a particular medical condition, sometimes it may occur in an otherwise healthy person. Fainting is a particular problem for the elderly, who may suffer serious injuries from falls when they faint. Most episodes are very brief. In most cases, the individual who has fainted regains complete consciousness within just a few minutes.

Fainting may have a variety of causes. A simple episode, also called a vasovagal attack or neurally mediated syncope, is the most common type of fainting spell. It is most common in children and young adults. A vasovagal attack happens because blood pressure drops, reducing circulation to the brain and causing loss of consciousness. Typically an attack occurs while standing and is frequently preceded by a sensation of warmth, nausea, lightheadedness, and visual "grayout." If the syncope is prolonged, it can trigger something called a convulsive syncope which is similar to a seizure.

Brief unconsciousness (or fainting) is often a result from dehydration, low blood sugar, or temporary low blood pressure. It can also be caused by serious heart or nervous system problems. A doctor will determine if the affected person needs tests to diagnose their fainting.

For example, a team is deciding between two proposals. One person thinks proposal A is better, but the rest of the team is leaning towards proposal B. That person is swayed by their opinions and ends up voting for proposal B because everyone else did.

Ask for opinions in advance: Before going into a meeting, have a private conversation with each team member to get their opinions. This gives everyone plenty of time to think about a topic and express their thoughts without the pressure of presenting in front of colleagues.

Most of the time, head injuries are minor, and children only lose consciousness for a few seconds. Even so, children should be examined by a health care professional. They should also be watched for changes that point to a more severe head injury.

Medical professionals refer to fainting as syncope, which describes a situation when a person loses consciousness due to a change in blood flow to the brain. With syncope, the person may lose consciousness anywhere from a few seconds to a few minutes.

Before passing out, the person may seem pale to others, and they might sweat profusely. Depending on why a person passed out, they may regain consciousness almost immediately after fainting. In one case study, a person who passed out at a blood drive was estimated to be unconscious for less than 15 seconds. But in another example, a patient had an epileptic seizure on an airplane and was unconscious for about 15 minutes. 2351a5e196

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