Sigmoidoscopy. A sigmoidoscopy is a diagnostic procedure that allows the doctor to examine the inside of a portion of the large intestine, and is helpful in identifying the causes of diarrhea, abdominal pain, constipation, abnormal growths, and bleeding.
By MeLoveMyPet on in Medium Dog Breeds. There are big dogs and small dogs, and of course, there are the medium dogs. Dogs classified as medium are just about in the middle in terms of size and weight, defined to be between 13 to 24 inches, and around 20 to 60 pounds.
The average lifespan for medium-sized dog breeds is 10 to 13 years, with some breeds living even longer. As with small dogs, exact age ranges for medium-sized dog breeds are hard to determine, but there are general lifespan guidelines for each breed.