Hi, last night I had a new experience. While in the blackness smokey haze of the search and rescue trailor, I was in full gear, with mask and pack, but not on air. I had never been in the trailor before, but I HAVE been in search and rescue situations with the mask blacked out, with out being on air. That has never bothered me.
For this exercise, I was the last man in a team of three, and our team was held up after a incline/decline obsticle. I was on the decline side of the obsticle, with about a body and a half wide, by about a body wide, versus the "normal" body and a half X body and a half. My head was at the bottom of the hill, with my feet raised above them. After about 3 minutes stuck like this, I started to panic. My arms could no longer "hold myself up," and my head started to "fill with blood." If that makes any sense. I started to hyperventilate a bit, and I felt like the walls were collapsing on me. I've been stuck in a situation like this before, when I was blacked out but not on air with out smoke, but i was still working my way through the tunnel, so the fact I was trapped in a small box hadnt bothered me. I ended up having to back up so I could get my helmet, hood, and mask off, and then I was fine.
Any idea what that was, what caused it, and how I can prevent it?
For this exercise, I was the last man in a team of three, and our team was held up after a incline/decline obsticle. I was on the decline side of the obsticle, with about a body and a half wide, by about a body wide, versus the "normal" body and a half X body and a half. My head was at the bottom of the hill, with my feet raised above them. After about 3 minutes stuck like this, I started to panic. My arms could no longer "hold myself up," and my head started to "fill with blood." If that makes any sense. I started to hyperventilate a bit, and I felt like the walls were collapsing on me. I've been stuck in a situation like this before, when I was blacked out but not on air with out smoke, but i was still working my way through the tunnel, so the fact I was trapped in a small box hadnt bothered me. I ended up having to back up so I could get my helmet, hood, and mask off, and then I was fine.
Any idea what that was, what caused it, and how I can prevent it?
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