AGA Technical Review on the Evaluation and Management of Chronic Diarrhea  Kenneth D. Fine, Lawrence R. Schiller  Gastroenterology  Volume 116, Issue 6, Pages 1464-1486 (June 1999) DOI: 10.1016/S0016-5085(99)70513-5 Copyright © 1999 American Gastroenterological Association Terms and Conditions

Fig. 1 Flow chart or “mind map” for evaluation of chronic diarrhea. Initial efforts should be directed to classification of chronic diarrhea based on history, physical examination, basic laboratory test results, and stool analysis. Gastroenterology 1999 116, 1464-1486DOI: (10.1016/S0016-5085(99)70513-5) Copyright © 1999 American Gastroenterological Association Terms and Conditions

Fig. 2 Flow charts or “mind maps” for further evaluation of secretory diarrhea (top left), osmotic diarrhea (top right), inflammatory diarrhea (lower left), and fatty diarrhea (lower right). It is not necessary to perform every test in a given pathway once a diagnosis is reached. TSH, thyroid-stimulating hormone; ACTH, adrenocorticotropic hormone; 5-HIAA, 5-hydroxyindole acetic acid. Gastroenterology 1999 116, 1464-1486DOI: (10.1016/S0016-5085(99)70513-5) Copyright © 1999 American Gastroenterological Association Terms and Conditions