Primary Thunderclap Headache - Is There a C Vs?

Most patients that present with a thunderclap headache, even a first or second time, recur anc som you may not be able to establish a diagnosis of anderism or ar c v s. Soat the minimum, do a couple of rounds of ascerimaging, and really consider advancing toan a more evasive imaging or tim out is invasive angeography,. If it's warranted by nerologic deficits, or a more fulminate course. But generally, oknow, primary thunder clap headache should be a benign, self limitted disorder that really shouldn't require some kind of prevention.