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Frequency
PVCs are a very common form of arrhythmia, and can occur in both individuals
with and without heart disease. They can also occur in otherwise healthy
athletes (e.g. in the days following a major effort such as a marathon).
Estimates of the prevalence of PVCs vary greatly, but in large, population-based
studies African Americans are known to have an increased occurrence of almost
30% compared with individuals of the Caucasian race.
In children, PVCs occur less frequently than in adults, although healthy
children are known to have episodes of PVC. In fact, on routine monitoring of
children aged 10-13 years with a Holter monitor, about 20% of healthy boys had
occurrences of PVC. In otherwise healthy newborns, PVCs will often resolve on
their own by the 12th week of life, and almost never require treatment.
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