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.
Â¿quÃ© tal te va?; Â¿cÃ³mo andas?; things are going badly las cosas van or marchan mal; things aren't what they used to be las cosas ya no son como antes or ya no son lo que eran; the thing is ... lo que pasa es que ...; el caso es que ...; the thing is to sell your car first conviene vender primero tu coche; what a thing to say!