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。
Although prognosis of patients with cardiac syndrome X is good regarding survival, they have a severely impaired quality of life because of the frequent episodes of angina pectoris.
长期随访发现该综合征病人的预后好，但因频繁发作心绞痛使其生活质量显著下降，所以对该类病人的治疗主要是改善其生活质量。
Although prognosis of patients with cardiac syndrome X is good regarding survival, they have a severely impaired quality of life because of the frequent episodes of angina pectoris.
长期随访发现该综合征病人的预后好，但因频繁发作心绞痛使其生活质量显著下降，所以对该类病人的治疗主要是改善其生活质量。
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