Cardiac Testing Explained: What Your Vet Looks For
Echocardiograms, ECGs, chest X-rays — understand the tests your vet uses to evaluate your pet's heart.
When your vet suspects heart disease, several diagnostic tests can help determine the type and severity. Understanding these tests helps you make informed decisions about your pet's care and reduces anxiety about what to expect.
- An echocardiogram is the gold standard for diagnosing heart disease
- Chest X-rays show heart size and lung fluid
- ECG detects abnormal heart rhythms
- Blood tests (NT-proBNP) can screen for heart disease
- Most cardiac tests are painless and non-invasive
- Results guide treatment decisions and prognosis
Echocardiogram (Heart Ultrasound)
This is the most important cardiac test. An ultrasound probe is placed on the chest to create real-time images of the heart. It shows heart chamber size, wall thickness, valve function, blood flow patterns, and pumping ability. The test takes 20-40 minutes, is completely painless, and usually doesn't require sedation. It definitively diagnoses most heart conditions.
Chest X-Rays
X-rays show the heart's size and shape, and whether fluid has accumulated in the lungs (pulmonary edema) or chest cavity. They're especially useful for diagnosing heart failure and monitoring its treatment. Two views (side and front) are typically taken. X-rays are quick and well-tolerated, though fractious pets may need mild sedation.
ECG (Electrocardiogram)
An ECG records the electrical activity of the heart and detects abnormal rhythms (arrhythmias). Small electrodes are placed on the skin — it's painless and takes just a few minutes. It's essential for diagnosing conditions like atrial fibrillation, ventricular tachycardia, and heart block. Some arrhythmias need specific treatment.
Blood Tests
NT-proBNP is a blood biomarker that increases when the heart is under stress. It's useful as a screening test (high levels suggest heart disease) and for monitoring disease progression. Troponin I indicates heart muscle damage. Complete blood count and chemistry panels help rule out non-cardiac causes like anemia or thyroid disease.
- Your vet recommends cardiac testing
- Your pet has a heart murmur or arrhythmia
- Breathing difficulty or coughing
- You want to screen a breed prone to heart disease
- Monitoring known heart disease
- Before anesthesia (cardiac clearance)
RVC
RVC offers comprehensive cardiac diagnostics including echocardiography, digital X-rays, ECG, and cardiac blood tests. Our team interprets results and creates personalized treatment plans. Call +853 6677 6611.
+853 6677 6611