These seem to be the only three choices. But since I'm not medically trained I can't call into question your stroke hospital procedures, you'll just have to live with fewer functioning neurons after your next stroke. Only 122 references backing this up, which of course your doctor and stroke hospital are fully familiar with(snark).
This could be done during ambulance transport
- 1Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
- 2Mayo Clinic, Rochester, MN, United States