The Fourth of July is our country's birthday. When grandchildren ask why, tell them what happened on July 4, 1776. That was the day our country's founders declared independence from Great Britain. This meant they would no longer follow the orders of Britain's king.
Normal Puppy Heart Rate. Though the heart rate will vary depending on your dog's breed, the normal heart rate for puppies is around 220 beats per minute. As your dog matures, his normal heart rate will slow down to between 60 to 160 beats per minute depending on his size. Larger breeds have a slower heart rate than toy breeds.
Rapid Heart Rate in Dogs. Save to mypetMD. Sinus tachycardia (ST) is clinically described as a sinus rhythm (heartbeat) with impulses that arise at a faster-than-normal rate: greater than 160 beats per minute (bpm) in standard sized dogs, 140 bpm in giant breeds, 180 bpm in toy breeds, and 220 bpm in puppies.