HomeAnswersNeurologytransient ischemic attackI had a transient ischemic attack about a month ago. Is it safe to fly to a high-elevation city?

Is it safe to fly after a transient ischemic attack?

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The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Answered by

Dr. Hitesh Kumar

Medically reviewed by

iCliniq medical review team

Published At November 1, 2023
Reviewed AtNovember 1, 2023

Patient's Query

Hello doctor,

I had a TIA (transient ischemic attack) about a month ago. Is it safe to fly and to fly to a high-elevation city? I live in a low-elevation city, only a couple hundred feet above sea level. I have congenital myopathy and dysautonomia as well. I am currently taking Amitriptyline 100mg.

Please help me.

Thank you.

Answered by Dr. Hitesh Kumar

Hello,

Welcome to icliniq.com.

I read your query and can understand your concern.

I would like to know some more details about your symptoms:

1. What exact symptoms you had in TIA (which happened 1 month ago)? And how much time it took to resolve?

2. Did you undergo any MRI (magnetic resonance imaging) brain or CT (computed tomography) angiogram or brain vessels or USG (ultrasound scan) Doppler for carotids or vertebral arteries or cardiac evaluation like ECG or 2D echocardiography? If yes, please send those reports as attachments.

3. Since when do you have dysautonomia? And by which symptoms or findings it was suspected or diagnosed?

4. Since when you are taking the tablet Amitriptyline and taking it for which symptoms or diagnosis?

Please get back with the reports.

Thank you.

The Probable causes

Amitriptyline as this dosage may also cause some "postural hypotension " (low BP on standing up) in few patients. Congenital Myopathies also may have association with cardiac anomaly or Cardiomyopathy. Flying in flight (specially rapid ascent during take off) can cause symptoms if someone already have postural hypotension/ cardiomyopathy with low ejection fraction / significant occlusion in neck vessels blood flow.

Investigations to be done

BP Measurement charting (twice daily) - First in laying position / then at 1 minute standing / then at 3 minute standing.

Regarding follow up

Please revert with above mentioned information for better understanding & further judgement. Also please send your investigation reports & doctor prescriptions as attachment.

Patient's Query

Hello Doctor, thank you so much for the reply.

I experience visual anomalies like flashing lights, loss of vision in my left eye, confusion, and weakness on my left side. I had a CT done. The hospital never gave me the files or anything from the ER so I do not have those. I have had dysautonomia my whole life. Mainly postural orthostatic tachycardia and complex region pain syndrome in my ankle. I have never had any high blood pressure issues though.

I am taking Amitriptyline 100 mg tablets daily for chronic migraine.

Thank you.

Answered by Dr. Hitesh Kumar

Hello,

Welcome back to icliniq.com.

Without any investigational reports, It is not easy to guide about flying. As you mentioned, you had TIA (flashes of light, loss of vision in left eye, and weakness in left side), how long it took to improve? Are you also on some blood thinners (antiplatelets) or other medicines (apart from Amitriptyline) after that incident? if yes, please tell me.

If possible, can you retrieve your investigation reports from the hospital and send them here as attachments? If not feasible, I would suggest some investigations.

Thank you.

Investigations to be done

1. MRI Brain with MR angiogram brain 2. Bilateral carotid artery & vertebral artery doppler 3. ECG 4. 2D Echocardiography 5. T3 T4 TH BP Measurement charting (twice daily) - First in laying position / then at 1 minute standing / then at 3 minute standing

Preventive measures

If there be some significant atherosclerotic occlusion in neck blood vessels or have significant postural hypotension, there can be some risk during rapid ascent while flight take off.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Hitesh Kumar
Dr. Hitesh Kumar

Neurology

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