Page 55 - Rule Outs in Small Animal Medicine, Problem-oriented Assessment of Problems in Physical Examination and Clinical Pathology, 2nd Edition
P. 55

Internal Medicine                                                                                  Internal Medicine
 Gastrointestinal tract                                                                          Gastrointestinal tract



    VetBooks.ir



 Small intestinal
 diarrhoea






 With protein            Without protein
 loss                        loss






 Primary
 Destruction of the   Lymphangi-  gastrointestinal                Secondary to
 intestinal wall  ectasia                                       systemic disease
 disease





 – Parvovirosis  Mal-                                                               Destruction of
 – Invagination  Acquired  assimilation  Increased   Changes in   Inflammation       the normal      Cell damage due
 – Foreign body  (infiltrative   Congenital  intestinal motility  mucosal   spreading to the   bacterial gut   to systemic
 – Severe   disease)                             perfusion       intestinal tract      flora             toxins
 inflammation

 Mal-  Mal-
 absorption  digestion
 Gastro-                   – Hyper-           – Shock           – Pancreatitis     – Antibiotic      – Uraemia
 intestinal  Severe          thyroidism       – Hypoadreno-     – Peritonitis       therapy          – Chemo-
 lymphoma  inflammation                        corticism                                              therapeutic
                                              – Thrombosis                                            agents
 – Exocrine
 Damage to the                                – Portal
 gut wall  pancreatic                          hypertension
 – IBD  insufficiency                          (e.g. liver
 – Infiltrative   – Cholestasis                cirrhosis)
 fungal disease
 (e.g. histo-  – Intestinal
 plasmosis)
 parasites
 – Food responsive
 diarrhea
 – Diarrhea responsive
 to modulation of
 the intestinal
 microbiota
 – Intestinal
 neoplasia
 – Idiopathic
 inflammation  (IBD)











 44                                                                                                             45
   50   51   52   53   54   55   56   57   58   59   60