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.
A child's hearts normally beat faster than an adult's. A healthy adult heart rate can range from 60 to 100 beats per minute during rest. Kids' heart rates can be as low as 60 beats per minute during sleep and as high as 220 beats per minute during strenuous physical activity. It's normal for athletic kids to have slower resting heart rates, often in the 40s or 50s.