Why Do People Faint?
Why do people faint? Fainting, which is medically referred to as syncope, happens when the person experiences a temporary loss of consciousness. After a person faints, it only takes a brief period of time before he spontaneously recovers. People faint because they experience a lack of blood flow and the amount of oxygen that flows to the brain is decreased.
To answer the question on “why do people faint?” the causes of fainting may shed some light. The causes can be related to several conditions, including biological situations involving the heart. Various medical conditions may also cause a person to faint, including heart diseases, migraines and diabetes.
Other causes that can answer the query regarding “why do people faint?” are specific situations. A number of people faint as an outcome of an abnormal circulatory reflex. Others faint at the mere sight of blood. There are also people who faint when placed inside a crowded room. Excessive coughing can also cause a person to faint. These occurrences fall under the category of situational fainting. This type of fainting can repeatedly affect a person, but it only occurs in a specific situation.
Why do people faint when they stand up immediately after lying down? This type of fainting is called postural fainting, which is the result of decreased flow of blood into the brain. It is usually the result of a sudden drop in one’s blood pressure. This type of fainting can occur after a person suffers dehydration, significant blood loss or experiences a change due to cardiovascular medication. This can also happen as a side effect of other medications that you may have consumed.
What are the symptoms that people who faint experience before they actually faint? The symptoms can vary among individuals but they usually include a feeling of lightheadedness, having blurry or spotty vision, and experiencing dizziness and weakness. If you observe people who are about to faint, you will notice their face turning pale, dilation of the pupils, and excessive sweating. Fortunately, people who faint will regain their consciousness within just a few moments.
When should you worry about fainting? Unless you have been diagnosed of having a medical or clinical condition that may cause fainting, then you should consult a physician or schedule a hospital visit once you experience fainting. Older people and those known to have certain heart conditions should be immediately transported to hospitals when they experience the symptoms prior to a fainting incident. A fainting episode can be a sign of a possibly serious underlying condition that has to be evaluated by a professional and this may shed more light on the subject of “why do people faint?”