Examine the door. It was "blown off"? Can we tell by what? Is it buckled inwards as if by an explosion, was it punched down by something obscenely strong, or was it cut with a welder or the like?
+1
Also, look around to find clothes.
[18] Looking closer, there are blast marks around the door, and the mechanism is slagged; it's pretty safe to say it was blown off with explosives.
[19] Sitting on a shelf set in to the wall a bit closer to the door is a full set of clothes - baggy jumpsuit, undergarments, sturdy boots, and a handy utility belt. There's a patch on the front, some sort of wrench in a gear. It seems like it should fit you, so you slip it on - the cold you've been feeling isn't gone, but it's lessened.
Proceed.
[3] Your legs buckle as you begin to move, and you're forced to drag yourself as you make it to the door. You lean against it, and look out into the dark hallway - there are doors in either direction, though none of them as secure - or damaged - as the one you're leaned against.
Pick up the door, it shall be our weapon!
[-] You strain, briefly, to pick up the door. It's far too heavy for you - maybe if you had
-̡͙̯͇͉̹̑͗͗-̑̿̇҉͈̤̠͇͚̩͔-̧̠̬̠̖͓̳̮̫͆͑-̡͇͎͇ͩ͒̎-̶̷̲̻̜̤̹ͯ̆ͫ͜-̸̫̼̼͙͓͍̩ͥ̑͊́ͫ-̙͈̄ͣ̒͢͝Ë͕͈̫̗̯̰ͤR̷͍̖̊̅ͣ̏̋͑R̫̦̭͍Ọ̌̊ͮR͙̤̤͐̿̓ͬͅ:̡̗̝̪͍ ̟̺̖̘̜͔̳̅ͫ͌͂̚͜M͈̘͚̫ͪ̈̌̈E̷̜̼̺̪͈̖̠̅͊̐̑̒͂̽M̫̲̞͚͎O̙͓͍͍ͥͯ̀̈́̈̄ͅR̳̹̦̙̞̺̩̈͑ͨY͓͇̺̜͖͙̞̌̇ͧ ̞̮̹̞̮͊Ĉ̵͈̜̗ͣ̈̾ͣ̽O̰̬̥̲͓͊̊̏̿̿̅̃͠Ṟ͔̜̓̂̽͋R̴̻͕̲̟̂̀̉́ͨU͛ͨ̎̌̈́P̴̬͖̳̎ͅT̷̙̭͎̺͒́ͦͧI͏̞O̵̟ͩ̉̽̃̑̊N͒̊̆̔҉̺̝̠͈̪̣ ̷̙̟̀͗D̫̫̥̮͎̹̈͗Ȅ͔͍̘͙̮̱ͫ̀̍̚̕T̼̃̀̄̽ͭḚ͎̝̜̼ͮ̂́̋̆̿ͅC̰̗̹̝̳͓̘̉̀T̼̓̔̇͋̓E͚̽̓̅Ḋ̦̹̤̤͚͍̀̉
͖̝͍̻̻̅
̔̄́ͩ͛́̂R̞̦̟̦͉͚̉ͯͪ̓ͮ̅U͖̦̬̳͎͈̎͆ͪ́N̦ͯ̆̅͒͆̐͡N̔͘I̬̪̮̩̤̪̯̿̓ͣͥŇ̠͓̰̹ͧ̀̒G͙͜ ̦̙̦̣͎̜ͬ̔̚ͅD̻̦̖͇͓ͫI̳̜̝̹̱͙̐͌̕A̸̮̜̲͂̊͋G̤͔̙̺̰̘̗̈̌ͮ̀͗̕N̢͖̲̖ͧͪͧ̊ͩO̥ͦS̕ͅT̤̼͙̍̋I͇͚̗͊͛ͧ͐́͊ͤC̭͚͊͐͑̽̄.̊͒́̀.̶̞̖̹̼͕͚̔͗́̓.̗̝̦̰̗̥.̟̯̹̥̻̓́ͦ̕ͅ
͕͇̮ͩͮ̄ͬ̅ͫ̄ͅ
̬Rͯͧͣ̃͝Ē̩̠͎̠̃̉̓B͓͉͊͑̐Ọ̦̐̎ͫ̓̔ͪ͞O̘̘̲̩T̻̰̣̭̰̗ͯ̎̄̌͐͒̽͢ ̄ͦ҉̣̜̠̠R̶̫̝͓̳̫̤͇̽E̥͕̋͒͂̉̄̓Q̫̳͎̜͕̋ͦͅU̯͖̰̫ͧ̎͋̃I̖͇̦͕̼̘̠R̵̥ͭ͐͆Ê̜̹͎̮͚̮̿̀͌̚D̪͎̘̥̙̭͂͢.̬͚͇̭͋̈́ͤͥ̒͋̚ͅ ̹̮̯͌͂̒̌R͉͚͔Ĕ̩͕̫ͬB̶ͥ̿̒ͥͯͬ̂O̲ͣͣͫ̇͜O͎̯͓͎̥͈̘͒ͣ̆ͣ͢Ţ̩̥̣͈̲̺̫́̎ͯͦ̽I͍̜ͬ͊N̩̣͕G.̣̲̌ͪͅ.̸̤͇̝̖͕͎̐ͦͦ̈́̅͑ͅ.͎̹̥͗̉ͣ.͓̲̫͙̔̾͌̀͆̉͠You are R̢͚̟̫̺̺͋ͤ̅̑́͟E̪̺̦̗̺̺̪̠ͤ̔͂͋͜B̸̤̝̽ͥ̀́̓̄͡Ǫ̨͓͇̯̦ͬ̀̿Ŏ̶̰͈̱̙̘͉͎͎͑͊ͣ͊́T̓ͮ͝͏̫I̠̺̹̺͚̗͒͂̒̒̌̒́ͣ́ͅN̰͚̪͙̻̰̒͛̏̔ͯͬG̶͇̞̽͑̋̿͠