WHAT’S UP DOC? When your heart skips a beat

Local Interest
Q: My daughter sometimes feels like her heart skips a beat. Her doctor did some tests and said it was due to premature ventricular contractions. Should I be worried?A: The heartbeat is controlled by electrical signals that tell the heart cells when they should squeeze (all heart cells not only participate in the heart squeezing to pump blood, but also pass on electrical signals to their neighbors, so are part of the electrical system as well). […]
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