Hi, my dad is fitted with a pacemaker 2 years back, and had BP which is mostly normal since then. he has huge tummy. he sleep farts. he is 84. his 2D echo, ECG, XRAY and all bllof reports turned normal, except he has high WBC count 18000, and RBC lowered to 3.8. he has breathing problems and unable to walk more than 20 fts. he takes nicardia retard 10, ivabid 5, and duonem200,eritel ch 40, esoz D 40, atotfit cv 10. hes getting tired day by day. what kind of treatment he requires to breath easier and walk easily.