Hi Rocckyd, I am sorry to hear your back in the hospital! First off let me chime in with what Merrida just said ("You know, for all that you've gone through (and dare I say, continue to go through), you do manage to maintain an indomitable spirit. You have a Gift....") I totally agree with this! And since she said so well I just had to copy it here!
You know low iron can cause allot of the symptoms that you mentioned, I am including a web site that explains the important roll of iron in your system. http://www.hematology.org/Patients/Anemia/Iron-Deficiency.aspx Your need for increased oxygen is easily understood, as well as lack of enery and being tired! I will continue to keep you in my prayers!