TY - CHAP M1 - Book, Section TI - Preface A1 - Zimmerman, Franklin H. PY - 2023 T2 - ECG Core Curriculum AB - It's 3 a.m. and you're standing at the bedside of a 64-year-old man with chest discomfort. He's short of breath, covered in perspiration, and frightened. His blood pressure is 90/60 mm Hg and his heart rate is 130 beats per minute. SN - PB - McGraw Hill Education CY - New York, NY Y2 - 2024/10/03 UR - accesscardiology.mhmedical.com/content.aspx?aid=1200099490 ER -