Normal Puppy Heartbeat. The resting heart rates of small dogs and puppies are faster than the heart rates of large or adult dogs. The normal pulse or heart rate for dogs can vary depending on the dog’s age and size.
Make sure the dog is lying comfortably. Just like people, dogs have a normal body temperature, heart rate, and respiratory rate. The absence of a heartbeat indicates fetal death.
For dogs, a normal heartbeat varies on size:
Primary symptom is a heartbeat that is too fast, too slow, or that skips a beat, which is also referred to as an irregular heartbeat physical weakness may develop if pauses between beats are excessively long; The resting heart rates of small dogs and puppies are faster than the heart rates of large or adult dogs. Unless your breed is already predisposed to irregular heartbeat or arrhythmia you. At lsu we routinely do a radiographic 'puppy count' to determine how many pups there are.