Page 184 - Rule Outs in Small Animal Medicine, Problem-oriented Assessment of Problems in Physical Examination and Clinical Pathology, 2nd Edition
P. 184

Basic laboratory diagnostics                                                                                                                                                                                Basic laboratory diagnostics
       Serum/Blood electrolyte concentrations                                                                                                                                                            Serum/Blood electrolyte concentrations

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                                                                     Hypocalcaemia
                                                                                                                                                                                 Hyperphosphataemia


                                               Total calcium                                Only total
                                                and ionized                                calcium low
                                                calcium low



                                                                          Low calcium                                                        Translocation               Pseudo-              Increased resorption    Decreased excretion in
                      Increased                            Decreased                     Transport protein                                                          hyperphosphataemia                                     the urine
                     requirement                           resorption      content          deficiency
                                                                            of diet


             Consumption      – Lactation
                                                                                            â Hypo-
            increased due to   – Pregnancy       Renal                   Gastro-          albuminaemia                                   – Massive cell            – Prolonged storage of   – Vit. D intoxication    – Impaired renal
              formation of                                              intestinal                                                         destruction              whole blood sample      – Iatrogenic (enema        function
           complexes or salts                                                                p. 154                                        (e.g. trauma)            before centrifugation     containing phosphate)  – Obstruction of urine
                                                                                                                                         – Reperfusion syndrome                                                        passage
                                                                                                                                         – Osteolysis                                                                – Hypoparathyroidism
           – Pancreatitis                   – Hypo-               Hypo-        Malassimila-                                              – Haemolysis
           – Iatrogenic                       parathyroidism   vitaminosis D      tion
             (blood infusion                – Acute/chronic
             containing                       kidney disease
             citrate)
                                                               – Diet low in   – Protein-
                                                                Vit. D          losing
                                                               – Chronic        enteropathy
                                                                kidney        – Gastro-
                                                                disease         intestinal
                                                                (advanced       parasites
                                                                stage)

































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