Dysrhythmias, including unexplained tachycardia, atrial fibrillation, premature ventricular contractions, and ST segment changes, may indicate blunt cardiac injury.

节律异常，包括难以解释的心动过速、房颤、室早和ST段改变，都提示心脏钝性伤的可能。

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Conclusions Of the neonatal arrhythmias, premature atrial or ventricular contractions are most commonly seen and they usually require no treatment and have a good prognosis.

结论新生儿心律失常以房性早搏或窒性早搏最常见，常不需要治疗，预后良好。

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