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ileal disease, 25, 58t, 444t ileal resection, 58t, 65 ileitis, 227, 247, 307f ileocecal sphincter, 237 ileum, anatomy, 184 ileus: colonic, 359; gallstone, 451; in cystic fibrosis, 434t, 434, 435-36,     608; and islet cell tumors, 430; meconium, 434t, 434, 435-36, 608;     and pancreatitis, 417; paralytic, 450 Imerslund-Graesbeck syndrome, 170 imidazole, 155 immunolipase, 416 immunoproliferative small intestinal disease, 260 immunosuppression see also HIV, 227 immunosuppressive agents: in liver transplantation, 545, 546-47; to treat     inflammatory bowel disease, 319, 321, 337-38 impotence, 466t, 512 incapacity to work, 3 incontinence, 21-22, 361, 364-67 indigestion see dyspepsia indinavir, 290 indirect noninvasive tests, 406t, 407-8 infants see also children; carbohydrate absorption, 203; celiac disease,     571; cholestasis, 457, 618-24; colic, 577-78; constipation, 577, 582;     cystic fibrosis, 435; diarrhea, 24, 608; dietary therapy, 599; esophageal     disorders, 99-100; failure to thrive, 588-89; gas, 577; gastroenteritis,     228; hepatitis, 482, 513, 553; jaundice, 457, 611, 613-24; premature,     589; pyloric stenosis, 176; Salmonella infection, 372-73; size, 588-89,     590; steatorrhea, 457; vitamin deficiency, 58t, 59t; vomiting, 569-70;     xanthoma, 457 infection: anorectal, 389-90; bacterial, 291, 292t; biliary see cholangitis;     causing ischemia, 277; colonic, 371-75; esophageal, 8; fungal, 292t,     294-96; gastric, 177-81; hepatic, 519, 538, 539t; HIV-associated, 290-91;     intestinal, 23t, 35t; and malnutrition, 63, 64t, 212; mycobacterial, 291-94;     parasitic, 293t, 296-98, 375-77; postsurgical, 548-49; and PUD, 149t;     viral, 293t, 299-301 inflammatory bowel disease see also Crohn’s disease; ulcerative colitis;     causing diarrhea, 221; children, 595; clinical features, 22, 23t, 309-12,     311t-12t, 324-27, 381; complications, 212-14, 338-44; diagnosis, 3,     314-16, 327-30; dietary therapy, 63-65; pathophysiology, 306-9, 323-24;     treatment, 316-23, 319t,330-37 informed consent, 76, 84-85 innervation see nerve supply INR see prothrombin time (PT) test inspection, abdominal, 41, 43 institutional review committee, 86 insulin, 49-50, 400, 430 insulinoma, 430 interest (professional obligation of), 75t interferon, 256, 301, 303, 498-500 interleukins, 323 International Normalized Ratio (INR)
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see prothrombin time (PT) test intestinal bypass, 25 intestinal metaplasia, 172, 173 intestine, small see small intestine intramural diverticulosis, 131 intrinsic factor, 139, 141, 143 intubation, enteral feeding, 68 intussusception: causing obstruction, 230, 260, 359t, 360; children, 571;     in cystic fibrosis, 434t, 434-35 iodine, 57, 208t iodoquinol, 230, 231, 293t, 296, 375 ions see electrolytes iritis, 311t, 313, 340t, 344 iron: absorption, 189-90, 190f; excess, 57t; replacement, 128, 220t,     334; storage disorder, 512-13 iron deficiency: blood loss, 57; effects, 25, 208t-9t, 212; and esophageal     webs, 128; hiatus hernia, 100; in celiac disease, 243t, 245; in gastritis,     168-69; in inflammatory bowel disease, 310t, 312t, 339t, 343; in parasitic     infection, 376; and neoplasms, 126t; postgastrectomy, 167-69 irritability, 537 irritable bowel syndrome: about, 360-64, 364t; causing diarrhea, 221, 234t;     and cholesterolosis, 455; clinical features, 11, 18, 19t, 19-20, 22, 23t,     28, 29; and RAP, 566 ischemia: about, 257-59; acute arterial, 269-75; acute venous, 275-76;     causes, 263; causing hepatitis, 479t; chronic, 276-77; classification,     263-65; clinical features, 29, 221; colonic, 394; in pancreatitis, 417;     nonocclusive, 257, 265, 277-86; pathophysiology, 267-69 islet cell tumors, 21, 23t, 425-26, 430-31 islets of Langerhans, 400 isoleucine, 57, 205 isomaltose, 240 isoniazid, 58t, 292t, 500, 508t, 509, 511 Isospora belli, 293t, 298 isphagula, 368 Ito cells, liver, 464 itraconazole, 292t, 295 ivermectin, 377 -J- jaundice: about, 30-32; biliary disease, 456-57; children, 613-24; in biliary     disease, 342, 446t, 450, 453, 456-57, 458-59; in cholestasis, 510, 554;     in hepatitis, 501; in hyperbilirubinemia, 477; in infants, 611, 613-24; in     liver disease, 466t, 467-68, 485, 488, 504, 517, 518, 519, 523-24, 553; in     pancreatic disease, 414, 426-27; in peritonitis, 535; infants, 457, 611,     613-24 jejunoileal bypass, 57t jejunoileitis, 247 jejunum, 184 justice (as ethical principle), 75t -K- Kaposi’s sarcoma, 171t, 301, 516 Kasai procedure, 457 Kayser-Fleischer ring, 514 keratomalacia, 208t, 210t kernicterus, 477-78, 617-18 ketoacidosis, 27, 409t, 506 ketoconazole, 111, 292t, 295 ketones, 54 kidney, enlarged, 38 Klebsiella, 453, 535 koilonychia, 209t, 212 Kupffer’s cells, liver, 463-64 kwashiorkor, 55, 57t, 61t, 212, 583