以每搏心输出量减少、左室射血时间缩短为其损伤特点。
The time of ejecting blood was shortened significantly in the left ventricle.
结论：磁场可降低蟾蜍心肌收缩性能而导致每搏心输出量减少，对舒张功能影响不明显。
Conclusion: magnetic field may decrease the myocardial contractility of isolated toad heart and no obvious effect to the function of the myocardial relax.
概述：在腹腔镜手术中腹内压力的增加可能会导致心输出量减少以及内脏血流灌注减少并带来缺血-再灌注效应。
SUMMARY BACKGROUND: Increased intraperitoneal pressure during laparoscopic operations may lead to decreased cardiac output and visceral perfusion, and possible ischemia-reperfusion effects.
心输出量增加，心脏收缩加强能泵更多的血液，心搏量增加，左心室壁变厚(更多肌肉)，心脏对氧气的需要减少。
Increases Cardiac Output, stronger heart contractions pump more blood, increased stroke volume, thickens left ventricle wall (more muscular), decreases hearts' oxygen requirements.
在心房颤动，不协调电活动导致无效的心房收缩，减少心房充盈时间，减少心输出量。
During atrial fibrillation, uncoordinated electrical activity leads to ineffective atrial contraction, reduced atrial filling time, and decreasing cardiac output.
在心房颤动，不协调电活动导致无效的心房收缩，减少心房充盈时间，减少心输出量。
During atrial fibrillation, uncoordinated electrical activity leads to ineffective atrial contraction, reduced atrial filling time, and decreasing cardiac output.
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