Yes almost every patient would feel breathlessness with those statistics. She should maintain pre-Hb of atleast 9, better 9.5 or above, and most importantly, intensive chelation should be pursued to lower ferritin levels. This is extremely important, patient of her age and mentioned facts should religiously follow chelation plan to lower ferritin. Antioxidants should be taken to provide protection from ferritin damage. Milkthistle should be taken to help liver. Wheatgrass, calcium, vitamin D, healthy diet and moderate exercise altogether improve health and stamina but everything is secondary to successful chelation.