Cell contraction and calcium transient are decreased in a single ventricular myocyte after CHF establishment.

心衰后心肌细胞收缩功能减弱，钙瞬变幅度减小。

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Methods Enzyme digestion was used to isolate single ventricular myocyte and whole cell patch clamp technique was used to record potassium current.

膜片钳技术是一种以记录离子通道的离子电流来反映细胞膜上单一的或多个的离子通道分子活动的技术。

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Methods Enzyme digestion was performed to isolate single ventricular myocyte of guinea pig and whole-cell patch-clamp technique was used to record potassium current.

方法酶解法分离豚鼠单个心室肌细胞，应用全细胞膜片钳技术研究白藜芦醇对豚鼠单个心室肌细胞钾电流的影响。

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Patients with persistent or permanent atrial fibrillation are also indicated for single chamber ventricular pacers unless efforts are being made to restore sinus rhythm.

FORBES: Overview of the New HRS/ACCF Pacemaker Guidelines

Single chamber ventricular pacing is considered an acceptable alternative in sedentary patients or those in whom technical issues make atrial lead placement difficult or impossible.

FORBES: Overview of the New HRS/ACCF Pacemaker Guidelines

Dual chamber pacing in SND is also favored over single chamber ventricular pacing (VVI), as it has been shown to reduce the risk of development of atrial fibrillation and the symptoms of pacemaker syndrome.

FORBES: Overview of the New HRS/ACCF Pacemaker Guidelines