Book excerpt: 100 Questions and Answers About Heart Attack and Related Medical Problems by eminent cardiologist Edward K. Chung, MD covers a wide range of topics, including heart attack basics-what constitutes normal heart function and what happens in a heart attack; risk factors, causes, diagnosis, treatment and side effects; and strategies for coping with emotional and healthcare issues. Includes a discussion of conditions that mimic heart attack as well as arrhythmias and angina pectoralis. Also contains a comprehensive appendix of resources for finding out more information, contacting support groups a