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.
Estar is the Spanish verb best known as one of the two forms of to be.. However, it also has various other uses in which it has meanings (or translations) other than to be.. It often has meanings other than to be when used with certain prepositions, and in some cases it can be translated as to be but only when other words are used with it.