My father has undergone bypass surgery 14 years back and he has travelled by air before his surgery but after that he has always travelled by trains only. Our native is tirunelveli so to save time in travelling I am planning to send him by flight so is it ok? He will be safe during his journey right?

Dr. Neelam NathGeneral Physician42yrs exp

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It is true that levels of oxygen are lower at higher altitudes ,even within aeroplanes but with new technology the oxygen levels within plane are okay. low levels of oxygen do trigger a heart attack. let him carry a small portable oxygen cylinder with him and breathe oxygen within plane without asking the crew for it ,though they do have it as all of us are aware about emergency situations , oxygen masks are dropped but why bother. there should be no difficulty in taking permission but do make everything very clear so that he does not face problems at airport during clearance. 

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