text: Yo, listen up, I got a report to share
  'Bout two cases of methaemoglobinemia, beware
  First, a 55-year-old dude, his stats were low
  Saturations in the 80s, couldn't let it go
  FiO2 at 1.0, but still no relief
  GCS at 10, man, that's a thief
  
  Second case, a 22-year-old lady in the mix
  Fluctuating GCS, her color turned to grey, no tricks
  Both had high levels of metheamoglobinaemia, damn
  ABG showed the proof, it was no sham
  Treated 'em with methylene blue, that's the way
  Made excellent recoveries, they're okay
  
  These cases show the risk of amyl nitrate
  Methaemoglobinemia, don't underestimate
  Proper management, act fast, don't be late
  Can lead to outcomes that are really great, mate