Difference between revisions of "Haemorrhagic Effusion"
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Revision as of 10:15, 12 July 2010
- Turbid - red
- Specific gravity 1.025 - 1.040
- Total protein > 30g/L
- Nucleated cells 1.5 - 10 x 10e9/L
- WBC from peripheral blood (including neutrophils and macrophages)
- Recent or iatrogenic
- Erythrocytes
- Platelet clumps
- Long standing haemorrage
- Macrophages with erythrophagia of haeme pigment
- In horses in addition to the above
- Haemorrhagic diapedesis
- Leakage of blood and fluid from the gut secondary to compromised vascular supply and venous return
- Seen with interstitial necrosis/ischaemia
- Fluid appears serosanguinous
- Haemorrhagic diapedesis
Due to
- Most commonly seen in cats and dogs due to traumatic injury to the liver (e.g. infectious canine hepatitis), spleen (e.g. haemangiosarcoma) and kidney
- Warfarin toxicity
- Moldy sweet clover hay fed to pregnant cows may bleed from umbilical vessels into peritoneum
- Manual ablation of corpus luteum in cattle