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In this episode, host Alyssa Watson, DVM, welcomes back Andrew Linklater, DVM, DACVECC, to talk about his recent Clinician’s Brief article, “Top 5 Causes of Pleural Effusion in Dogs.” Dr. Linklater reviews what makes an effusion a transudate, exudate, or something in between. He then details his top effusion causes—hemothorax, chylothorax, pyothorax, nonseptic effusion, hydrothorax, and an honorable mention to pneumothorax.
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Key Takeaways
Transudate, modified transudate, and exudate are the categories of effusions, and remember to confirm findings by submitting fluid and slides for clinical pathology.
Hemothorax can occur from multiple causes—and don’t forget about autologous transfusion as a treatment.
It’s a chylothorax if the fluid has two times the triglyceride level of the blood, and it might contain elevated lymphocytes too.
Fluid containing neutrophils and bacteria denotes a pyothorax (it might also literally stink).
In the case of a simple transudate (eg, hydrothorax) think about pressures—decreased colloidal pressure or increased hydrostatic pressure.
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The Team:
Alyssa Watson, DVM - Host
Alexis Ussery - Producer & Multimedia Specialist