Only recently has the subject of silent myocardial ischemia and infarction attracted attention. The concept of silent myocardial ischemia is simply an extension of the basic principle of the need for a balance between myocardial oxygen supply and demand. The occurrence of ischemia without symptoms represents one end of the spectrum of the pathophysiology of myocardial ischemia. Ignored until recently, the true significance of silent ischemia remains unknown.
Dr Peter F. Cohn has attempted to summarize knowledge about this subject in a single-authored monograph. It is rare in an era of multiauthored papers that such an ambitious task can be accomplished by a single author. This book is a summary of Dr Cohn's personal evaluation of the concept. As such, it is quite readable. It outlines the following issues: (1) the definition of silent myocardial ischemia as a phenomenon, (2) demonstration of silent myocardial ischemia in the individual patient, (3)