Reference (4) Ponikowski , P., Voors , A., Anker, S., Bueno, H., Cleland, J. G. F., Coats, A. J. S., . . . van der Meer, P. (2016). 2016 ESC Guidelines for the diagnosis and treatment of acute and chronic heart failure: The Task Force for the diagnosis and treatment of acute and chronic heart failure of the European Society of Cardiology (ESC)Developed with the special contribution of the Heart Failure Association (HFA) of the ESC. European heart journal, 37 (27), 2129-2200. Tatukude , C., Rampengan , S. H., & Panda, A. L. (2016). Hubungan tingkat depresi dan kualitas hidup pada pasien gagal jantung kronik di Poliklinik Jantung RSUP Prof. Dr. RD Kandou Manado. e- CliniC , 4 (1). Xu, J., Nolan, M. T., Heinze , K., Yenokyan , G., Hughes, M. T., Johnson, J., ... & Gallo, J. J. (2015). Symptom frequency, severity, and quality of life among persons with three disease trajectories: cancer, ALS, and CHF. Applied Nursing Research , 28 (4), 311-315 Xu, J., Nolan, M., Heinze , K., Yenokyan , G., Hughes, M., Johnson, J., . . . Lee, M. (2015). Symptom frequency, severity, and quality of life among persons with three disease trajectories: cancer, ALS, and CHF. Applied nursing research, 28 (4), 311-315. Zambroski , C., Moser, D., Bhat, G., & Ziegler, C. (2005). Impact of symptom prevalence and symptom burden on quality of life in patients with heart failure. European journal of cardiovascular nursing, 4 (3), 198-206. 41