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my daughter fainted 2 times in a month we have done eeg, ecg, 2d echo, mri but every thing is normal then what may be the reason madam

Question

#asktheexpert 
my daughter fainted 2 times in a month we have done eeg, ecg, 2d echo, mri but every thing is normal then what may be the reason madam

Accepted Answer

once she fainted immediately after eating at our presence and second after playing and immediately standing in prayer at school. is there anything serious madam

Accepted Answer

I'm sorry to hear about your daughter's fainting episodes. Since the tests (EEG, ECG, 2D Echo, MRI) came back normal, there are still a few potential reasons for the fainting that might not show up on these specific tests. Here are some possibilities to consider:

1. Vasovagal Syncope:
This is the most common cause of fainting in children. It happens when there is a sudden drop in blood pressure or heart rate, which leads to reduced blood flow to the brain. It can be triggered by things like stress, dehydration, standing up too quickly, or heat.

2. Low Blood Sugar (Hypoglycemia):
If your daughter isn't eating regularly or has low blood sugar, this can cause fainting or light-headedness. Ensure she is eating balanced meals with adequate carbohydrates and proteins.

3. Dehydration:
Dehydration can cause dizziness and fainting, especially in warmer months or if your daughter isn't drinking enough fluids.

4. Anemia:
Even though the tests may have come back normal, mild anemia could still be a factor. Iron deficiency can lead to fainting, fatigue, and dizziness.

5. Postural Hypotension:
This condition occurs when there’s a sudden drop in blood pressure upon standing up. It may cause dizziness or fainting. This could happen if she stands up too quickly or doesn't move around much throughout the day.

6. Hyperventilation or Anxiety:
Sometimes, fainting can be linked to anxiety or panic attacks, which might not show up on the tests. The body's response to anxiety or stress can sometimes cause a temporary drop in oxygen levels or changes in blood pressure.

7. Seizure-like Episodes (Non-Epileptic Seizures):
While the EEG was normal, it's possible that her fainting is related to a non-epileptic seizure or another type of neurological event that doesn’t show on routine tests.

8. Cardiac Arrhythmias:
Although the ECG and echo were normal, certain arrhythmias (irregular heartbeats) may not always be detected, especially if they happen intermittently or under certain conditions. A Holter monitor (a portable ECG) might help in these cases.

Next Steps:

Keep a symptom diary: Track when the fainting occurs, any potential triggers (like after eating, standing up quickly, etc.), and any accompanying symptoms (like dizziness, nausea, or fatigue).

Monitor hydration and nutrition: Ensure your daughter is drinking plenty of fluids and eating regular, balanced meals.

Cardiology follow-up: Consider asking the doctor about a 24-hour Holter monitor or an event recorder to detect any irregular heart rhythms that might not appear during a regular ECG.

Neurological follow-up: Although EEGs are typically used for seizures, sometimes additional tests like a tilt-table test or further evaluation of autonomic function may be needed.

Given the complexity of this issue, consulting with a pediatric cardiologist or neurologist might offer additional insights, as they can perform more specialized tests or ask for a more thorough evaluation.

#asktheexpert my daughter fainted 2 times in a month we have done eeg, ecg, 2d echo, mri but every thing is normal then what may be the reason madam