Page 142 - Rule Outs in Small Animal Medicine, Problem-oriented Assessment of Problems in Physical Examination and Clinical Pathology, 2nd Edition

Basic laboratory diagnostics Basic laboratory diagnostics
Haematology Haematology

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Increased
Iron deficiency erythrocyte count

Relative
Absolute (reduced plasma
Failure of volume)
True
iron deficiency incorporation of iron
into haemoglobin

Reactive Polycythaemia
polycythaemia vera Dehydration

Decreased iron uptake Anaemia of chronic
Iron loss
(rare in small animals) disease
Erythropoetin-
Adaptation to chronic producing renal
hypoxia
neoplasia

Chronic haemorrhage

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

Ectoparasite
Urinary tract Gastrointestinal tract infestation
(only if massive) – PDA – DCM – Tracheal collapse
– VSD – Aortic stenosis – Laryngeal paralysis
– Pulmonary – BOAS
arteriovenous – Pneumonia
fistula – Lung neoplasia
– Neoplasia – Ulcer – Lung oedema
– Portal hyper- (cardiogenic and
tension noncardiogenic)
– Lesions due to
gastrointestinal
parasites
– Neoplasia

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