yoga wrote:
b
iron overload in thalasemia pt is big problem=>phelebotomy
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| medocuk
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Goljan spells it out in his lecture notes..Iron deposition in the heart causes Heart failure
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| sfk
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yes its b; iron overload
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| Ujk
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| new_n_lost
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yoga wrote:
b
iron overload in thalasemia pt is big problem=>phelebotomy
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| new_n_lost
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The correct answer is B.
The disease is beta thalassemia major, which is a severe hemolytic anemia characterized by a failure to produce the beta chains of hemoglobin (some HbF, the fetal form of hemoglobin, is produced). The excess alpha chains are insoluble, leading to intra- and extravascular hemolysis. These patients require large numbers of transfusions, and iron overload with resulting secondary hemochromatosis can contribute to eventual cardiac failure. The heart is also damaged by the chronic high output state needed to compensate for the anemia.
Calcium (choice A) deposition is seen in damaged tissues and states with high serum calcium, such as hyperparathyroidism.
Magnesium (choice C), potassium (choice D), and sodium (choice E) are highly soluble and do not usually precipitate in tissues.
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