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BackgroundFrequent premature ventricular contractions (PVCs) can cause a reversible reduction in systolic function. Most studies use 24‐hour ambulatory electrocardiograms (AECGs) to assess PVC burden; however, PVC counts vary across 24‐hour periods. We hypothesized that extended AECG monitoring would better identify clinically significant ectopy.
MethodsAll 14‐day AECGs performed at the San Francisco...
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