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Ectopic heartbeat
描述
http://youtu.be/HySnRlK87t0
Ectopic heartbeats are small changes in an otherwise normal heartbeat that lead to extra or skipped heartbeats. They often occur without a clear cause and are most often harmless.
The two most common types of ectopic heartbeats are:
Premature ventricular contractions (PVC)
Premature atrial contractions (PAC)
Ectopic heartbeats are small changes in an otherwise normal heartbeat that lead to extra or skipped heartbeats. They often occur without a clear cause and are most often harmless.
The two most common types of ectopic heartbeats are:
Premature ventricular contractions (PVC)
Premature atrial contractions (PAC)
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