In a real emergency, the first minute is almost never spent on treatment — it's spent on communication: figuring out who to call, finding the number, explaining where you are, and hoping someone picks up. That minute is exactly where most time gets lost, and it's entirely avoidable with a little preparation done in advance, not in the moment.
Three things worth having ready before you ever need them: a clearly designated primary emergency contact (not "whoever picks up first"), your own basic medical information — blood type, known allergies, current conditions — written down somewhere reachable without unlocking a phone and finding an app, and the direct number for your local emergency line saved somewhere obvious, not searched for under pressure. For anyone managing a chronic condition like hypertension, the honest goal isn't to prevent every emergency — some genuinely can't be prevented — it's to make sure that when one happens, the response takes seconds, not minutes, because the hard part was already handled calmly, in advance.