Zusammenfassung der Ressource
Erythrocytosis
- Physiological
- This is a transient rise (~2h) caused by fear, excitement, pain. Its
most common in horses, less in cats, dogs and ruminants
- Not pathogenic
- Relative- the most common
- This is when the fall in plasma colume allows the RBC to appear
concentrated. This is most commonly associated with dehydration following vomiting, diarrohea, diuresis or reduced fluid intake
- The TP (especially albumin) is elevated
- Absolute
- Primary- independant of EPO stimulation
- Neoplas of the BM
- Polycythaemia- this is a rare condition when
there is also: thrombocytosis and leukocytoisis
- Secondary- this is due to higher EPO concentrations
- Appropriate- HYPOXIA
response- Chronic pulmonary dz, high alttude or CV shunts which shunt the blood away from the lungs
- Innappropriate-This is pretty rare and is associated with renal cysts or neoplasms
- This is a rise in PCV, Hb and RBC on haemogram