Diagnosis and Detection

How is a heart problem diagnosed?

It is important for you and your dog to make regular visits to the veterinarian. Early diagnosis and treatment will ensure your dog leads a happier, healthier, and longer life. Your veterinarian will follow a series of key steps and use some of the latest diagnostic tools to distinguish heart disease from respiratory problems.

  1. Clinical History
    - The veterinarian will need to know the age, breed, and medical history of your dog. He/she will evaluate the onset and type of cough and may ask about:
    • Changes in attitude, behavior, and activity level
    • Changes in breathing
    • Changes in appetite and weight
    • Sleeping habits
    • Previous evidence of heart disease
    • Previous treatment history
  2. Physical Examination
    - a thorough physical examination will provide your veterinarian with clues as to whether your dog has any heart-related problems. He/she will evaluate:
    • Weight and body condition
    • Breathing rates
    • Heart rates
    • Pulse rates
    • Skin or tissue abnormalities
    • Abdominal shape
  3. Listening to your dog's heart and lungs
    - A stethoscope may allow your veterinarian to determine if a heart murmur is present. (Appreciate that not all murmurs are easily heard.) Also, the heart rate and rhythm can be assessed with a stethoscope to determine if there is an irregular heartbeat. He/she can listen to the lungs to detect abnormal sounds.

  4. X-rays
    - Technically known as radiographs, an x-ray can help the veterinarian evaluate the size and shape of the heart and assess the severity of your dog's heart disease.
  5. Additional tests:
    • Blood testing for a cardiac biomarker called NT-proBNP, as well as a chemistry and complete blood count (CBC) analysis to assess your dog's cardiovascular health
    • A blood pressure test
    • An ECG (electrocardiograph)
    • An echocardiogram

Click here for more information on diagnostic tests.

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