<s>[INST] Are there any hereditary factors that lead to fainting? I have a slow pulse at times dropping into the upper 40 s/minutes-My brother recently had surgery for a subdural hematoma due to a fall, my sister has seizure like petit mal & severe falls, also my father fainted several times. I am 77 years old & in good health. I have been referred to a cardiologist & wear an internal heart monitor. Do you think there might be a hereditary neurological conditions? [/INST] Hi, Welcome to Chat Doctor .com I am Chat Doctor. Mariano Into Bruno Mascaras. 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 paintings 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 Chat Doctor at http://bit.ly/ask </s>