Little tidbit-the fact he had a witnessed stroke is a best case scenario. If caught within a small window of time (best is within 4-6 hrs), doctors can give something called tPA https://www.verywellhealth.com/tissue-plasminogen-activator-tpa-3146225
and the prognosis for a really good recovery is much better and much faster. As awful as this was for anons to see, it’s important to recognize the symptoms and get the person to the hospital ASAP and note the time of onset of symptoms. It’s easiest to spot in loved ones as you tend to notice a change in them..mom suddenly slurring on the phone, or garbled speech, or dad’s left side suddenly getting weak.