Objective: To assess the instructional value of heart rate variability index (HRVI) used for acute myocardial infarction (AMI) patients under the early rehabilitation exercise.

目的：评价心率变异指数对急性心肌梗死(ami)患者进行早期康复锻炼的指导意义。

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Conclusion DCS for treating the femoral supracondylar fracture has the advantages of fixation stability, easy operation, early ambulation and functional exercise etc, with very good applied value.

结论DCS治疗股骨髁上骨折具有固定牢靠确定，操作方便，能早期进行功能锻炼等优点。

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