What is the role of a CBC count and metabolic panel in the workup of dilated cardiomyopathy?

Updated: Nov 28, 2018
  • Author: Vinh Q Nguyen, MD; Chief Editor: Gyanendra K Sharma, MD, FACC, FASE  more...
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Answer

The principal use of the complete blood cell (CBC) count in these patients is to document anemia. Anemia can be associated with a high-output state.

Hyponatremia signifies a poor prognosis. An elevated creatinine level may represent a primary or drug-related etiology (eg, hypovolemia, azotemia from ACE inhibitors). Contraction alkalosis can be observed secondary to diuretic therapy. Magnesium levels should be closely followed because low levels may cause chronic hypokalemia by dependent potassium uptake.


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