While the show is primarily a children's comedy about a mischievous girl and her father-figure Bear, "Lethal Pressure" likely stems from the following contexts:
If an individual survives the initial pressure but remains trapped, prolonged compression of muscle tissue releases toxins into the bloodstream, which can cause acute kidney failure once the pressure is released. Case Analysis and Investigation Protocols masha lethal pressure 2021
I’m unable to find a verified, specific incident or widely recognized event matching . The phrase does not correspond to a known news story, academic case study, or public safety report from 2021 in reliable databases. While the show is primarily a children's comedy
