Covering a full range of topics from cardiovascular and pulmonary disease to ophthalmology, hematology and pediatrics, this is the only single volume, quick reference designed for use in daily practice. The 150+ clinical prediction rules as well as the background information necessary to determine its validity and relevance are essential for every physician in a time of limited health care resources. Designed as an aid in diagnosis and treatment, these rules allow more accurate diagnosis and treatment decisions while eliminating superfluous testing.