Your pet's heart health can't always be assessed with a stethoscope alone—and that's where cardiac ultrasound imaging becomes essential. Echocardiography lets veterinary cardiologists visualize your pet's heart structure, valve function, and blood flow in real time, catching problems before they become emergencies. If your dog or cat shows signs of heart disease, understanding what this imaging can do will help you make informed decisions about their care.
What Is Echocardiography?
Echocardiography is an ultrasound examination specifically designed to image the heart and surrounding structures. Unlike traditional chest X-rays, which show the heart's size and shape, echo produces moving images that reveal how effectively the heart pumps blood and whether valves are leaking or narrowing. The procedure uses high-frequency sound waves—no radiation involved—making it safe even for elderly or compromised pets.
A veterinary cardiologist typically performs this exam, though some advanced general practitioners offer basic echo services. The actual imaging takes 20–45 minutes, depending on how cooperative your pet is and what the veterinarian needs to investigate.
When Your Pet Needs Echocardiography
Your veterinarian may recommend echo if your pet:
- Has a heart murmur detected during a physical exam
- Shows signs of congestive heart failure (coughing, difficulty breathing, lethargy)
- Faints or collapses suddenly
- Has a breed predisposition to heart disease (common in cavalier spaniels, boxers, Maine coons, and persians)
- Needs pre-surgical cardiac clearance before anesthesia
- Is on heart medications and requires monitoring to assess treatment response
Puppies and kittens with heart murmurs sometimes need echo to determine if the condition is innocent (often resolves naturally) or pathological and requires treatment.
What to Expect During the Exam
Most pets don't require sedation for echocardiography, though anxious animals may receive mild sedatives to keep them calm and still. Your pet will lie on their side on a padded table while the cardiologist applies acoustic gel to the chest and moves an ultrasound probe over the heart area. The technician or veterinarian will capture multiple views of the heart from different angles to assess all chambers, valves, and major blood vessels.
The veterinarian will measure wall thickness, chamber sizes, and blood flow velocities—generating numeric values that compare to normal ranges for your pet's species, age, and body weight. Some clinics offer video recordings of the exam so you can see your pet's heart in action.
Cost and Accessibility
Echocardiography fees typically range from $400 to $900 depending on geographic location, facility reputation, and exam complexity. Specialty cardiology clinics usually charge more than general practices, but often provide more detailed analysis and written reports. Some clinics bundle echo with an electrocardiogram (ECG) or chest X-rays for $800–$1,500 if multiple imaging modalities are needed.
Emergency or after-hours echo services can cost significantly more. If cost is a concern, ask whether your general veterinarian can perform a basic screening echo before referring to a specialist—sometimes an initial assessment identifies straightforward cases that don't require cardiology-level expertise.
Finding the Right Imaging Provider
When comparing echocardiography services, check whether the provider is board-certified by the American College of Veterinary Internal Medicine (ACVIM) or equivalent international body. Board-certified cardiologists have completed specialized training beyond veterinary school, giving them advanced diagnostic and treatment skills.
Ask whether the facility has dedicated cardiac ultrasound equipment and whether someone specializes full-time in cardiac imaging—not simply performing echo as one of many duties. Request a written report with measurements, findings, and recommendations, which you can share with your primary veterinarian or use for second opinions.
Mercoly lets you compare and find trusted animal diagnostics and imaging providers in your area, read detailed reviews, and check credentials without calling multiple clinics.
Following Up on Results
After echocardiography, your veterinarian will discuss findings and next steps. Some pets have normal hearts and need no follow-up. Others require medication to manage valve disease or heart failure, with repeat echo in 6–12 months to monitor progression. Severe or progressive conditions may need echocardiography every 3–6 months.
Keep copies of echo reports for your records—they're invaluable if you change veterinarians or move and need to establish care at a new clinic.
Frequently Asked Questions
Q: Does my pet need to fast before echocardiography? No fasting is required for routine echo exams, though your veterinarian may recommend fasting if your pet will receive sedation to reduce aspiration risk during the procedure.
Q: Can echocardiography diagnose all heart problems? Echocardiography excels at evaluating structural disease (valve problems, chamber enlargement, thickened walls) and blood flow, but it cannot detect arrhythmias; you'll need an ECG for that, which is why both tests often are performed together.
Q: How often should a pet with a heart murmur have echo exams? Initial diagnosis requires one echo, but follow-up frequency depends on the diagnosis—some stable mild cases need echo annually, while progressive disease may need imaging every 3–6 months or when clinical signs change.
Schedule a baseline echocardiogram today if your pet has risk factors for heart disease.