The second article finally shows the deviation from AA protocol; the Captain should have called the AA medical service or local medical service to gain information about what to do with his passenger.

Effective mitigation of stroke symptoms and reduction in long term brain injury is dependent largely on getting the patient to medical care and the use of thrombolytics within 4.5 hours of the onset of neurologic symptoms.

This would include here his first symptoms of "speaking gibberish", that is when the clock started ticking for the therapeutic window of successful stroke therapy.

Once he got on board the flight and traveled away from health care his chances declined with each passing minute.

I am retired Mayo Clinic Nephrologist.

https://www.ahajournals.org/doi/10.1...00000000000211