Which cardiac tests are recommended following the diagnosis of atrial fibrillation (Afib) (AF)?

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

Various cardiac diseases, including ischemic heart disease, valvular diseases, and cardiomyopathy, are associated with AF. Therefore, after the diagnosis of AF is confirmed with ECG, an evaluation of serum cardiac biomarkers and B-type natriuretic peptide (BNP) is usually required to investigate for underlying heart disease. More invasive cardiac tests (eg, cardiac catheterization) may be required depending on signs and symptoms and findings on initial tests. The ECG is also necessary to monitor the QT and QRS intervals of patients receiving anti-arrhythmic medications for AF.


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