The main treatment of heavy metal poisoning is termination of exposure to the metal. Treatment also consists of the use of various chelating agents that cause the toxic (poison) element to bind with the drug and be excreted in the urine.
Sometimes they will say, quÃ© pasa, que pasÃ³, or que te pasÃ³ to mean what's wrong or what happened. If you're trying to say what's up, I would recommend quÃ© ondas, quÃ© tal, que haces - this one meaning what are you doing. If you have any other Spanish questions feel free to ask.
âque pasaâ > that is going by, that happens. People passing in front of my shop just look at the window, but not enter. > La gente que pasa por delante de mi tienda sÃ³lo mira el escaparate, pero no entra. You do not do your job well and then what happens happens. > No haces bien tu trabajo y despuÃ©s pasa lo que pasa.