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Harrison's Principles of Internal Medicine, 18e
| Part 8. Infectious Diseases > Section 17. Protozoal and Helminthic Infections: General Considerations > |
Chapter e25. Laboratory Diagnosis of Parasitic Infections
Sections: Laboratory Diagnosis of Parasitic Infections: Introduction, Intestinal Parasites, Blood and Tissue Parasites, Nonspecific Tests, Antibody and Antigen Detection, Molecular Techniques, Further Readings.
Topics Discussed: laboratory tests to direct antimicrobial pharmacotherapy; parasites; parasitic diseases; parasitology.
Excerpt:"The cornerstone for the diagnosis of parasitic infections is a thorough history of the patient's illness. Epidemiologic aspects of the illness are especially important because the risks of acquiring many parasites are closely related to occupation, recreation, or travel to areas of high endemicity. Without a basic knowledge of the epidemiology and life cycles of the major parasites, it is difficult to approach the diagnosis of parasitic infections systematically. Accordingly, the medical classification of important human parasites in this chapter emphasizes their geographic distribution, their transmission, and the anatomic location and stages of their life cycle in humans. The text and tables are intended to serve as a guide to the correct diagnostic procedures for the major parasitic infections; in addition, the reader is referred to other chapters that contain more comprehensive information about each infection (Chaps. 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, and 220). Tables e25-1, e25-2, and e25-3 summarize the geographic distributions, the anatomic locations, and the methods employed for the diagnosis of flatworm, roundworm, and protozoal infections, respectively...."
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