Detecting a heart murmur on your own can be tricky. A murmur is an extra heart sound that can be heard by a stethoscope.

Maple’s owners noticed a problem. Their 9-year-old Chihuahua started to have a dry, hacking cough three to four times a day, ...

Jaden Blackwell fell in love with football at age 5. That same year, a pediatrician heard a swishing sound in Jaden's chest. It was a heart murmur.