The most commonly diagnosed type was atrial fibrillation with 33.68% incidence, followed by ventricular arrhythmias (28%), sinus pauses (27.58%), supraventricular arrhythmias (24%), and atrioventricular blocks (22.95%). Pathological arrhythmias were most commonly found in male dogs and in German Shepherds.
What is the most common normal arrhythmia in dogs?
Atrial fibrillation (AF) AF is the most common persistent arrhythmia seen in small animals (Pariaut, 2010). The QRS complexes have a normal morphology, but AF is typified by the absence of P waves (Figure 8). It is also notable by its irregularity, and usually has a fast rate.
How common is arrhythmia 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 serious is a heart arrhythmia in dogs?
Arrhythmias are fairly common in dogs, but they're not always a cause for concern. Many dogs with arrhythmias live normal lives without any problems. However, since an arrhythmia may be a red flag for a more serious underlying problem, it is highly recommended to have your dog checked by your vet.
How long can a dog live with a 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.
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