单词 | premature atrial complex |
释义 | premature atrial complexpremature atrial complexAtrial premature contraction, atrial premature depolarization Cardiology A premature heartbeat of atrial origin, and common cause of irregular pulse; PACs arise in normal hearts, but are more common in structurally abnormal hearts, and ↑ with age EKG Premature P wave, P-R interval of > 120 msec Management PACs are rarely serious and do not require therapy |
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