The above questionnaire is only a reference for your personal health evaluation, it cannot be the evidence of medical diagnosis.
. Yancy, C.W., et al., 2017 ACC/AHA/HFSA Focused Update of the 2013 ACCF/AHA Guideline for the Management of Heart Failure: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Failure Society of America. Circulation, 2017. 136(6): p. e137-e161.
. Yancy, C.W., et al., 2013 ACCF/AHA guideline for the management of heart failure: a report of the American College of Cardiology Foundation/American Heart Association Task Force on practice guidelines. Circulation, 2013. 128(16): p. e240-327.
 Chinese Society of Cardiology of Chinese Medical Association, Chinese guidelines for the diagnosis and treatment of heart failure 2014, Zhonghua Xin Xue Guan Bing Za Zhi, 2014, 42(2): 98-122.