Dr. Dongngan Truong, pediatric cardiologist.

Physicians with Heart: Dr. Dongngan Truong

Meet pediatric cardiologist Dr. Dongngan Truong — blending expert echocardiography, CHD care and family‑centered heart disease support. Learn how she guides heart patients and educates families and clinicians alike.

Dr. Neill Videlefsky, pediatric cardiologist, with patient.

Physicians with Heart: Dr. Neill Videlefsky

Neill Videlefsky, MD, loves going to work every day. He feels that it is a privilege to care for his patients and their families. A significant part of the reason he loves his job as a cardiologist so much is…

Headshot of Dr. Andrea Kropf, Pediatric Cardiologist.

Physicians with Heart: Dr. Andrea Kropf

Meet Dr. Andrea Kropf — a dedicated pediatric cardiologist at Children’s Cardiology, caring for children and expectant families from fetal cardiology to adolescent heart care.

Dr. Brandon Harden, pediatric cardiologist, reviewing heart scans.

Physicians with Heart: Dr. Brandon Harden

Brandon Harden, MD, says becoming a physician is the only career he can remember wanting to pursue in his life. His mom, a teacher, and dad, a pharmacist, encouraged him to become a doctor. His hometown of Rincon, outside of…

Pediatric cardiologist with patient.

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…

Baby's 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.

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