Account the presenting clinical picture of the child

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When evaluating the CBC, the nurse must take into account the presenting clinical picture of the child. For instance, the RBC count may be truly elevated (erythrocytosis or polycythemia) in certain diseases or in the case of dehydration from diarrhea or burns. When anemia is present, the RBC count is low. When the MCV is elevated, the RBCs are larger than normal (macrocytic). When the MCV is decreased, the RBCs are smaller than normal (microcytic). A decrease in the MCHC means that the Hgb is diluted in the cell and less of the red color is present (hypochromic). When the Hgb concentration is increased in the RBC, then the pigmentation (red color) is increased (hyperchromic). Alterations in these RBC indices assist the physician or nurse practitioner with diagnosis. WBCs are the body's defense against infection or injury. The specific types of WBCs are discussed in Chapter 37. Platelets are necessary for clot formation, and if changes occur, problems may develop. Elevations in platelet levels can indicate an increase in clotting, while decreases can put the child at risk for increased bleeding. Decreases can result if the platelets.

Reference no: EM133768380

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