Aneurysm fear

I am freaking the hell out, and im trying not to have a full blown panic attack rn. A couple of hours ago, I did a slightly strenuous thing, and I experienced what felt like something about to pop in my brain. It went away quickly, but now im scared shitless that im gonna have a stroke or an aneurysm. I am perfectly healthy, and the only medical issue i have head wise is migraines (which I've been dealing with my entire life). I'm afraid to even cry out of fear rn just in case the strain causes a rupture. I guess I would just like someone to tell me im not going to die in any second from a hemorrhage.