Acute coronary syndromes encompasses the spectrum of clinical disorders caused by acute ischemic heart disease -- unstable angina, ST-elevation myocardial infarction, non-ST-elevation myocardial infarction -- which account for 2 million hospitalizations and 30% of all deaths in the United States each year. ACS Essentials, Third Edition provides the latest clinical guidelines and trials for the management of acute coronary syndromes. Step-by-step guide to unstable angina, important clinical trials, common management pitfalls, drug summaries, and other cardiovascular risk reduction measures are emphasized.