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Congestive Heart Failureure Research Paper

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Congestive Heart Failureure Research Paper
In lungs (not myocardium) of patient with congestive heart failure, some pulmonary capillaries rupture under pressure and red blood cells inside alveoli are phagocytosed by alveolar macrophages. Excess iron in these macrophages binds to ferritin which degrades into hemosiderin. Alveolar macrophages with hemosiderin are called "heart failure" cells, and can be expelled as rust-colored sputum.
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