Persistent AF with an uncontrolled, rapid ventricular heart rate response can cause a dilated cardiomyopathy and can lead to electrical remodeling in the atria (atrial cardiomyopathy).

持续性房颤伴有不可控制的心房快速速率反应可能引起扩张性心肌病导致心房内心电重构(心房心肌病)。

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Results The diurnal disfribution of ventricular response in patients with AF showed a regular circadian variation, The trough of heart rate were from 4Am to 5Am and peak at 10Am to 11Am.

结果发现房颤患者心室反应有其一定的昼夜节律，在凌晨4 时至5时达谷值，于上午10 时至11时达峰值。

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The new Nikon 1 V2 is designed to be compact and delivers astoundingly rapid Autofocus (AF) and shooting response, incredible image quality, sharp Full HD video and advanced yet easy-to-use shooting options.

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The combination of the speedy response of the touchscreen panel and the FAST (Frequency Acceleration Sensor Technology) AF system, the same technology that made the Olympus OM-D the world's fastest autofocusing camera, gives users the power to capture precisely the image they want at precisely the moment they want it.

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