Porth's Essentials of Pathophysiology, 4e

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Preface

Illustrations and Photographs The full-color illustrations will help you to build your own mental image of the content that is being presented. Each drawing has been developed to fully support and build upon the ideas in the text. Some illustrations are used to help you picture the complex interactions of the multiple phenomena that are involved in the develop- ment of a particular disease; others can help you visu- alize normal function or understand the mechanisms whereby the disease processes exert their effects. In addition, photographs depicting clinical manifestations and detailing pathologic processes provide a realistic view of selected disorders and pathologic processes.

columns, and are often used for the purpose of compar- ing or contrasting information. Charts have one column and are used to summarize information. Boxes highlight key information.

Clinical Features This edition retains the illustrations that depict the clini- cal features of persons with selected diseases. This fea- ture is designed to help you visualize the entire spectrum of clinical manifestations that are associated with these disease states.