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My 7-year-old daughter experienced two passing out spells over the past year. Family doctor says EKG show normal activity and we shouldn't worry unless it happens again.
She has been a healthy child over all and these spells only lasted several seconds and were about 9 months apart.
Is this good enough?
A normal EKG ruled out arrhythmia as a cause of her fainting episodes. However, there are other causes of syncope (passing out) that are serious and should be considered.
For example, if she passed out while playing sports/exercising, then she must have an echo-cardiogram to rule out structural heart disease. A disorder called hypertrophic cardio sympathy can cause symptoms of syncope. It is a rare disorder but can lead to premature death if untreated.
If her syncope episodes are related to posture (eg. standing up from a sitting position) then anemia should be ruled out. This type of syncope is called orthostatic hypotension. It is a sign of anemia or low blood pressure. Seizures can cause loss of consciousness, but generally last longer than seconds and are associated with arm/leg movements. If she passed out while playing sports, get a referral to see a pediatric cardiologist right away.
I have some additional input here; syncope or fainting can also be due to neurological issues. I think the pediatric cardiologist is a good idea, even if she did NOT pass out during sports. An EKG only takes a short picture. Holster monitors are worn over longer durations. 24-48 hours, and they can get a better idea of the hearts rhythm than a 30 second EKG.If this continues I also suggest a pediatric neurologist. Not all seizures are associated with arm or leg movements; absence seizures can look to the untrained eye like a blank stare or eyes rolled upwards.