Hi,
Welcome to HealthCareMagic.com I am Dr.J.Mariano Anto Bruno Mascarenhas. I have gone through your query with diligence and would like you to know that I am here to help you.
There are quite a few hereditary Neurological conditions as well as quite a few hereditary cardiac conditions which can lead to faintings
To confirm or rule out, you need to undergo clinical examination, measurement of BP at Supine, Sitting and Standing, detailed cardiac evaluation.
I would request you to consult your Cardiologist First and
Neurologist after that
Hope you found the answer helpful.
If you need any clarification / have doubts / have additional questions / have follow up questions, then please do not hesitate in asking again. I will be happy to answer your questions.
In the future, for continuity of care, I encourage you to contact me directly in HealthCareMagic at http://bit.ly/askdrbruno
Best Wishes for Speedy Recovery
Let me know if I can assist you further.
Take care.