Fainting – Causes and Symptoms of Fainting
Fainting is a temporary loss of consciousness caused due to a sudden drop in blood flow. It is also called as syncope. The person who loses consciousness regain a full alertness after sometime. Prior to fainting, the person may feel nauseated or weak. Fainting can also be a symptom of some other serious condition. Any individual old or young can faint.
The following are the causes that play a role in reducing blood flow resulting in fainting.
- Some drugs cause drop in blood pressure which leads to fainting. Medications used for allergies, nasal congestion, high blood pressure and anxiety contribute to fainting.
- Blood pressure may also drop if you are severely dehydrated, bleeding or standing up suddenly from a lying position. This blood pressure drop leads to fainting.
- Excess urination makes the bowel movement to strain. This may cause you to faint.
- A heavy cough, standing in a place for too long time are also the causes.
- Emotional stress, severe pains and fear also cause you to faint.
- Low blood sugar levels, alcohol or drug use, hyperventilation are the other reasons.
Persons suffering with anemia are likely to get fainted.
Individuals over age 65 are more likely prone to heart attacks and diseases. These are also the reasons behind fainting.
Symptoms of Fainting
Before a faint, the following symptoms are observed in a affected person.
- Tingling sensations in the body
- Muffled hearing
- Faded or blurred vision
- Sweaty and weak
- Nauseated and lightheaded
During the faint, the person may have few twitches of the body often confused with seizures.
After the faint, the person remains in confusion state for sometime and may feel like vomiting. In a few seconds, comes back to a normal state.
Diagnosis of Fainting
Fainting can be diagnosed by going through some tests since most of the cases are related to heart problems. The tests included are blood tests, exercise stress test, echo-cardiogram, electrocardiogram. If the cause for fainting is not the heart problem, doctor may suggest a table test to the person. In this test, the person’s postural changes are noticed at various angles by laying the person flat on a table.