"The 12-Lead ECG in Acute Coronary Syndromes: Pocket Reference for the 12-Lead ECG in Acute Coronary Syndromes" is a spiral-bound textbook written by Tim Phalen and Barbara Aehlert. It is a technical level educational book focusing on the subject area of Cardiology, specifically covering the 12-lead ECG in acute coronary syndromes. The book is written in English and has dimensions of 9.1 inches in length and 12.6 inches in width, making it a convenient pocket reference for medical professionals." This book has underlining and notetaking on some of the pages otherwise in very good shape