Temporary ringing or muffled hearing after loud events indicates cochlear vulnerability and requires caution against further high-threshold sound exposure.

“And so, I wonder if... - It makes perfect sense in the context- - Yes. - ...of concussion- - Mm-hmm. - ...which we raised as the parallel example. - And he had some interesting experiments. I think these were done in guinea pigs actually, but they also see this in industrial workers, where they have some ringing in their ears after a long week of being on the construction site. They'll go to a concert, - Mm-hmm. - and- - ...sure, they could have gone to the concert at another time, - ...and it wouldn't have been an issue. - Mm-hmm. - They certainly could recover from their work week. But you put those two things too close together in time, - and they end up deaf.”