Causes of Heart Arrhythmia in Dogs Heart muscle disease - dilated cardiomyopathy, hypertrophic cardiomyopathy, ARVC. Congenital heart defects - subaortic stenosis. Severe valve leakage. Enlargement of the heart chambers - chronic degenerative mitral valve disease.
Why is my dog having palpitations?
Arrhythmia in dogs is an abnormality in the rhythm of the heart, which can include the speed, strength, or regularity of heart beats. It's caused by unusual electrical activity in dogs' heart muscles, which can come from congenital issues present at birth, injuries, infections, stress, and many other possible factors.
How serious is an irregular heartbeat in dogs?
Arrhythmia is relatively common in dogs and is not always a cause for concern. An occasional irregular heart beat may not cause any other health problems. However, because an irregular beat may be an early symptom of a more serious underlying condition, it is wise to have it checked out by your veterinarian.
How Long Can dogs live with heart arrhythmia?
Median survival time for dogs with mean heart rate less than 125 bpm (1037 days) was significantly longer than those with mean heart rate of 125 or higher (105 days). The results of this study show that patients with atrial fibrillation live longer with lower heart rates.
What are the symptoms of arrhythmia in dogs?
Commonly reported signs include sleeping or lying about the house more, weakness, lethargy, collapse or near collapse (stumbling, being wobbly), vomiting, and decreased appetite. These signs may wax and wane as an abnormal heart rhythm comes and goes.
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