A dog's heartbeat ranges from 70 to 160 beats per minute. After exercising, your dog's heartbeat will be too high. You can usually take your dog to exercise more and feed your dog food with less oil and salt to promote good health. When a dog appears abnormal, the dog should be sent to the pet hospital for examination and treatment in time.

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Poisoning or illness may cause arrhythmias in dogs. In such cases, seek medical attention promptly.