Page 143 - Rule Outs in Small Animal Medicine, Problem-oriented Assessment of Problems in Physical Examination and Clinical Pathology, 2nd Edition
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Basic laboratory diagnostics

                                                                                                        Haematology

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                                                                                      Increased
                                                                                   erythrocyte count





                                                                                                      Relative
                                                                        Absolute                   (reduced plasma
                                                                                                      volume)





                                                              Reactive          Polycythaemia
                                                            polycythaemia          vera             Dehydration





                                                                        Erythropoetin-
                                                Adaptation to chronic   producing renal
                                                     hypoxia
                                                                          neoplasia




                   Mixture of arterial   Decreased  cardiac   Respiratory tract   Stay at high
                   and venous blood        output              disease             altitude





                   – PDA              – DCM               – Tracheal collapse
                   – VSD              – Aortic stenosis   – Laryngeal paralysis
                   – Pulmonary                            – BOAS
                    arteriovenous                         – Pneumonia
                    fistula                               – Lung neoplasia
                                                          – Lung oedema
                                                            (cardiogenic and
                                                            noncardiogenic)
























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