What is the role of a CBC count in the diagnosis of atrial flutter (AFL)?

Updated: Nov 18, 2019
  • Author: Lawrence Rosenthal, MD, PhD, FACC, FHRS; Chief Editor: Jeffrey N Rottman, MD  more...
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Answer

Obtain a complete blood cell count if anemia is suspected or the patient has a history of recent or current blood loss associated with the presenting symptoms. Serum electrolyte levels and pulmonary function tests may be indicated based on the history. Obtain serum electrolyte and digoxin levels if appropriate. Consider obtaining blood gas measurements in patients with hypoxia or carbon monoxide intoxication.


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