What are the symptoms before fainting?

Answer 1

The first symptoms a person feels before fainting are dizziness; a dimming of vision, or brownout;tinnitus; and feeling hot. Moments later, the person's vision turns black, and he or she drops to the floor (or slumps if seated in a chair). If the person is unable to slump from the position to a near horizontal position, he or she risks dying of the Suspension traumaeffect.
The proper medical terminology for fainting is syncope. A syncope is a temporary lost of consciousness due to insufficient blood flow to a particular location of the brain. Before I go into the symptoms of fainting, it is important that we have a background knowledge of fainting first.

The brain has various different parts including the two hemispheres, the cerebellum and the brain stem. A copious amount of blood needs to circulate around the brain so that the various parts can function to their full capacity. A syncope occurs when there is decreased blood flow to the brain. This can be caused by 1) the heart not being able to pump blood; 2) The blood vessels don't have enough tone to transport blood; 3) There is not enough fluid within the blood vessels or 4) a combination of any of the aforementioned.

Here are the signs and symptoms of fainting (syncope):

1. Patient may feel light headed and dizzy.

2. Paleness of skin; cold and clammy.

3. Dilated pupils.

4. Slow, but strong pulse.

5. Headache.

6. Confusion and general lethargy.

7. Patient may complain of being too warm or feeling hot.

8. Sweating.

9. Yawning and tiredness.

10. Nausea and/or vomiting.

11. Drop in blood pressure.

usually the patient will make a full recovery after fainting. If you are unsure of the severity of the condition, or the patient is elderly or has an underlying medical condition, consult a medical practitioner.

Other symptoms can include:

12. Polydipsia, (excessive thirst)

13. Rapid shallow respirations

14. Weak rapid pulse

Answer 2

It depends somewhat on the reason for the fainting episode. For example, some people faint or pass out from severe pain. In that case, if the pain were sudden or due to an acute injury of some sort, you might "see stars" first, then an abrupt darkness with loss of consiousness. If the reason for fainting is low blood flow to the brain from a "fight or flight" reaction to a stimulus, standing up too quickly from a lying position, medication reaction causing low blood pressure, low heart rate, low blood sugar or under nutrition, or even fear or anxiety, etc. then it would be a more gradual change. Then perhaps "the room would spin" and then a blurring and greying of vision with a final change to tunnel vision (when the peripheral vision is shut down to preserve blood flow to only vital organs and processes), just before blackness occurs with the loss of consciousness. If there is a neurological reason for the fainting, like a tumor or other lesion on the brain or a stroke where there is blockage or leakage of blood flow to the brain, you might first feel pain in your head, then feel dizzy, then your sight could slowly turn black. You may or may not be able to think but if you can your thoughts would be slow, perhaps jumbled, and your vision would turn slowly black.

Answer 3

Well usually the person looks pale or is showing signs of fatigue. Some times people faint because of hunger. But Remind him/her to keep his/her legs UNLOCKED! because if someone's legs are locked it can also cause fainting.

Answer 4

You feel tired, you find yourself sighing a lot. Usually you have a headache and your vision gets blurry. If you're with someone else, tell them you feel like passing out