Infections, asthma, heat, and other factors can trigger it. Tachypnea refers to rapid, shallow breathing in newborns, children, and adults. It is not a condition or disease, nor is it necessarily ...

Share on Pinterest Branimir76/Getty Images Tachypnea is usually defined as more than 20 breaths per minute in an adult. In children, the number of breaths per minute can be a higher resting rate ...