Achievements in Public Health, 1900-1999 Impact of Vaccines Universally Recommended for Children -- United States, 1990-1998. At the beginning of the 20th century, infectious diseases were widely prevalent in the United States and exacted an enormous toll on the population. For example, in 1900, 21,064 smallpox cases were reported, and 894 patients died (1).
âNormalâ ranges from 60 to 140 beats per minute in a resting dog â 60 to 100 in big dogs and 100 to 140 in little ones. While you can check the rate with your hand over the heart, you can also take a pulse by gently feeling the beat near the inside top of your dog's hind leg. The heart rate will be the same both places, so do whichever is easier for you and your dog.
Depending on its age and what its doing, the average cat's heart beats 120 to nearly 200 beats per minute. As the cat's heart weakens and the animal is closer to dying, the heart rate drops dramatically to just a fraction of its normal rate.Near the end, there are longer and longer pauses between each individual beat, and the pattern becomes very irregular until the heart completely stops.epending on its age and what its doing, the average cat's heart beats 120 to nearly 200 beats per minute. As the cat's heart weakens and the animal is closer to dying, the heart rate drops dramatically to just a fraction of its normal rate.