Pediatric heart doctor talking to a child about their heart condition.

Atrial Septal Defect

What is an Atrial Septal Defect (ASD)? The atrial septum is the wall between the two upper chambers of the heart, and an atrial septal defect (ASD) is an abnormal hole in the wall. ASD, a heart problem that is present at…

Babies heart being checked with a stethoscope.

Supraventricular Tachycardia in Children: What You Need to Know

A top-end heart rate for children is roughly 220 bpm minus the child’s age in years. Rates faster than that can indicate supraventricular tachycardia (SVT), an abnormally fast heart rhythm caused by an electrical short circuit in the top chambers…

Doctor using stethoscope to listen to baby's heart.

Heart Murmurs in Children: What You Need to Know

A heart murmur is simply the sound of blood moving through the heart, and in many children it’s completely harmless. Learn what causes heart murmurs, how doctors evaluate them, and when further testing may be needed.