Asuhan Keperawatan Pada Ny. N yang Mengalami Sindrom Koroner Akut NSTEMI Di Lantai 6 Selatan Gedung Teratai RSUP Fatmawati. : Nursing Care of Mrs. N with Acute Coronary Syndromes NSTEMI At South 6th Floor Teratai Building In RSUP Fatmawati