Is Fainting A Medical Emergency?

What medical conditions make you pass out?

Many different conditions can cause fainting.

These include heart problems such as irregular heart beats, seizures, low blood sugar (hypoglycemia), anemia (a deficiency in healthy oxygen carrying cells), and problems with how the nervous system (the body’s system of nerves) regulates blood pressure..

What is the most common reason for fainting?

One of the most common reasons people faint is in reaction to an emotional trigger. For example, the sight of blood, or extreme excitement, anxiety or fear, may cause some people to faint. This condition is called vasovagal syncope.

Can low iron cause fainting?

Anemia (low red blood cell count), whether it occurs acutely from bleeding or gradually for a variety of reasons, can cause fainting because there aren’t enough red blood cells to deliver oxygen to the brain.

How long do you faint for?

The lack of blood to the brain causes loss of consciousness. Most fainting will pass quickly and won’t be serious. Usually, a fainting episode will only last a few seconds, although it will make the person feel unwell and recovery may take several minutes.

Is fainting a serious problem?

Fainting, or syncope, is a sudden and temporary loss of consciousness. This usually occurs due to a lack of oxygen reaching the brain. Many things can cause oxygen deprivation to the brain, including low blood pressure. Fainting is not usually serious.

What happens before you faint?

Understanding fainting Feeling lightheaded, dizzy, weak, or nauseous sometimes happens before you faint. Some people become aware that noises are fading away, or they describe the sensation as “blacking out” or “whiting out.” A full recovery usually takes a few minutes.

What to do when you feel like passing out?

If you feel like you are about to faint, try to:lie down with your legs raised – if you cannot do this then sit with your head lowered between your knees.drink some water.eat something.take some deep breaths.

Do you breathe when you faint?

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. They may even stop breathing or their pulse may become faint. This calls for immediate emergency attention.

Do your eyes stay open when you faint?

Your eyes will usually stay open. Orthostatic hypotension: this is a fall in blood pressure on standing up, which can cause fainting.

Can you sleep after fainting?

Propping the person’s feet and lower legs up on a backpack or jacket also can help blood flow to the brain. Someone who has fainted will usually recover quickly. Because it’s normal to feel a bit weak after fainting, be sure the person stays lying down for a bit. Getting up too soon may bring on another fainting spell.

Can lack of vitamin D cause fainting?

Correlation analysis showed that syncope was associated with low vitamin D (r = −264, P = . 003) and vitamin B12 levels (r = −233, P = . 009) (Table 2). However, in multivariate regression analyses showed that only low vitamin D levels increased risk of syncope [OR: 0.946, 95% (0.901‐0.994)].

Should you go to ER if you faint?

So if you suddenly start experiencing fainting spells and you have no history of fainting, you should see your doctor. You should be especially concerned if you faint while exercising as it can be a sign of a heart disorder. If you do experience a fainting episode, remember not to stand up until you feel better.

What is the difference between fainting and passing out?

Faint, black out, swoon, pass out. They’re all names for the same thing—a temporary loss of consciousness followed by a fairly rapid and complete recovery. Fainting occurs when something interrupts blood flow to the brain.

What to watch for after fainting?

Seek care immediately if:You are bleeding because you hit your head when you fainted.You suddenly have double vision, difficulty speaking, numbness, and cannot move your arms or legs.You have chest pain and trouble breathing.You vomit blood or material that looks like coffee grounds.More items…•

Can you hear when you faint?

It can start with a feeling of dizziness, followed by narrowed vision, muffled sense of hearing – until you wake up somewhere unexpected, like the floor, wondering what happened. Syncope is defined as a temporary loss of consciousness and muscle control caused by low blood flow to the brain.