What are the causes of syncope in youngsters?

Multiple: The most common cuase for syncope, or fainting, is a temporary imbalance in the nervous system leading to low heart rate or blood pressure. It is most common in adolescents, it is typically not dangerous and most outgrow the condition. Much less common, but more concerning, are cardiac causes including arrhythmias and structural heart problems that limit the blood flow to the brain.

Multiple: Syncope (fainting) is a relatively common occurence, particularly in teens and pre-teens. Ultimately it is due to low blood pressure to the brain, but has many triggers (standing too long, getting up quickly, sight of blood, sudden trauma, etc). Kids who faint should be evaluated, but the cure is usually increased fluid and sodium intake. In some, medications may be used to help.

Syncope: most common is vasovagal syncope