Written by Dr Elle Burton-Bradley
When Raja’s owners noticed he was breathing faster and seemed quieter than usual, they trusted their instincts, and it saved his life.
Raja was diagnosed with pleural effusion, a dangerous condition where fluid builds up around the lungs and makes breathing difficult. With fast diagnostics, ultrasound-guided chest drainage, and tailored antibiotic treatment, Raja made a full recovery at The Village Vet.
If your cat is breathing fast, seems lethargic, or doesn’t seem quite themselves, seek veterinary care immediately. Early intervention can be life-saving.
What Is Pleural Effusion in Cats?
Pleural effusion is when fluid accumulates in the space between the lungs and chest wall, preventing the lungs from expanding properly.
This is an emergency and requires urgent veterinary treatment.
Symptoms of Pleural Effusion in Cats
Cats are naturally good at hiding illness, but warning signs include:
- Fast breathing or laboured breathing
- Quiet or withdrawn behaviour
- Reduced appetite
- Lethargy
- Increased breathing effort or belly breathing
- Open-mouth breathing (emergency)
If you notice any of these symptoms, contact your vet right away.
Raja’s Symptoms
Raja’s family noticed two subtle but important changes:
✔ He was quieter than usual
✔ He was breathing faster
These early signs prompted a veterinary visit and likely made all the difference.
Cat owners: if you ever feel something is “off”, trust your instincts.
Diagnosing Raja: X-Rays & Chest Ultrasound
At The Village Vet, we performed:
- Full clinical examination
- Thoracic radiographs (chest X-rays)
- Chest ultrasound
These confirmed a large pleural effusion, with fluid compressing Raja’s lungs and restricting his ability to breathe.
Life-Saving Treatment
To relieve the pressure on his lungs, Raja underwent:
Ultrasound-guided chest drainage
Over 200ml of infected fluid was carefully drained under sedation. This allowed his lungs to expand again and immediately improved his breathing.
Laboratory testing
Fluid was sent to a specialist veterinary pathologist. Testing confirmed:
- Septic exudate (infection inside the chest cavity)
- Presence of bacteria and inflammatory cells
- Culture and sensitivity to determine the best antibiotics
Based on the results, Raja was started on a tailored course of two antibiotics.
Follow-Up & Monitoring
Raja had weekly chest X-rays to track progress.
Over four weeks, his lungs returned to normal and the fluid resolved completely 💚
What Causes Pleural Effusion in Cats?
Common causes include:
- Infection (cat fights, grass seeds/foreign bodies)
- Heart disease
- Cancer
- Trauma
- Diaphragmatic tear
- Pyothorax (infected chest cavity)
Raja’s tests indicated infection, likely from a small penetrating wound or foreign material. Even something tiny like a grass seed.
Raja’s Outcome
Today, Raja is:
- Breathing normally
- Playful and bright
- Back to his loving family
His story highlights the importance of early detection and prompt expert veterinary care.
Trust the Village Vet with Feline Respiratory Emergencies
Located in Pymble and Killara on Sydney’s North Shore, The Village Vet has advanced diagnostic tools, including:
- Digital radiography (X-ray)
- Ultrasound
- In-house pathology and external specialist labs
- Experienced surgical and medical team
We take pride in providing calm, gentle, and Fear Free care.
📞 Book or call immediately if you’re concerned:
Pymble: (02) 9499 4010
Killara: (02) 8350 5678