Department of Cardiology;
Dongguan People's Hospital;
Southern Medical University;
Dongguan 523059;
Guangdong;
China;
Department of Cardiology;
Shunde Hospital;
Southern Medical University(The first people's hospital of Shunde);
Foshan 528300;
Guangdong;
China.;
atrial fibrillation; diastolic blood pressure; heart failure; ejection fraction;