Seth Lapuk, MD

Director, School of Pediatric Cardiac Ultrasound

4.8 / 5 View Comments

Dr. Lapuk is the medical director of the Hoffman Heart and Vascular Institute School of Cardiac Ultrasound of Connecticut at Saint Francis Hospital. He is the president of the North Central Connecticut Chapter of the American Heart Association, and an invited lecturer and presenter at national annual meetings and conferences.

Education

University of Connecticut School of Medicine

Residency

Stanford Hospital and Clinics

Fellowship

Children's National Medical Center

American Board of Pediatrics - Pediatric Cardiology
American Board of Pediatrics - Pediatrics

Associate Clinical Professor of Pediatrics, University of Connecticut School of Medicine

  • Dongnan Truong, MD, Thomas Fitzgeralt, BS, Seth Lapuk, MD, William Curry, RRT and V. Ramesh Iyer, MD. Implantable Cardiac Defibrillator Interference by Laser Tag, Abstract Presentation Heart Rhythm 30th Annual Scientific Sessions, May, 2009.
  • Corow C, Lapuk S, Mazzarella K, Sable A, Eisenfeld L. Hypoplastic Left Heart Syndrome: Factors Influencing Therapeutic Choice. Connecticut Medicine, April 2001, 65(4): 195-203.
  • Lapuk S, Diana, D. Book Review: Heart Disease in Persons with Down Syndrome, Developmental Medicine and Child Neurology, May 1997, Vol. 39, No. 5.
  • Benaron DA, Yorgin PD, Lapuk S, Gibson R Dennery PA. Alkalemia in a Newborn Infant. Journal of Pediatrics, March 1992, 120(3): 489-94.
  •  
    • Lapuk S, Woodbury DF. Volkmann’s Ischemic Contracture: A Case Study. Orthopaedic Review, June 1988, 17(6): 618-624.

Locations Where I See Patients

Connecticut Children’s Specialty Care Center – Danbury

105 Newtown Road
Danbury, CT 06810
United States

Connecticut Children's Golisano Medical Center sign lighting during the Foundation's 100% In campaign launch.

Golisano Medical Center at Connecticut Children's – Hartford

282 Washington Street
Hartford, CT 06106
United States

Exterior view of 310 Western Boulevard in Glastonbury

Connecticut Children’s Specialty Care Center – Glastonbury

310 Western Boulevard
Glastonbury, CT 06033
United States

Recent Blog Posts by Seth Lapuk, MD

Pregnant woman, smiling
Blog - Growing Healthy

Fetal Lung Masses: What Happens After One Is Found on Prenatal Ultrasound?

Connecticut Children's Golisano Medical Center building exterior
News & Media

Hartford Sky Lights Up to Honor $50 Million Donor and Publicly Launch the 100% Campaign for Connecticut Children's

CEO and President Shannon Sullivan
Blog - Growing Healthy

Why I Vote: A Message from Shannon Sullivan

Blog - Growing Healthy

Tricks, Treats & Safety: Your Go-To Halloween Tips

4.8
out of 5

Provider showed concern

4.8

Provider explained things clearly

4.9

Provider included you in decisions

4.9

Provider discussed treatment options

4.9

Likelihood of recommending this provider

4.8

Most Recent Comments

October 10, 2026
Again, Dr. Lapuk has been an amazing provider caring for our daughter with compassion and a wealthy of knowledge and experience. We thank you immensely.
October 10, 2026
Had great bed side manner
September 9, 2026
The doctor was excellent! Very thorough, explained everything so well and was pleasant and fun.
August 8, 2026
The doctor was wonderful. He put us at ease and explained everything so it was easily understandable.
June 6, 2026
Very impressed with the compassion of the doctor, the time he spent examining my son, and how he talked directly to him- and how he explained everything to both of us in clear ways.
May 5, 2026
The best doctor we have worked with thus far. 10/10 bedtime manner . Extremely knowledgeable . Fantastic with our child. Extremely pleased with this provider .
April 4, 2026
Absolutely love our doctor almost 18 years with him nothing but amazing
March 3, 2026
Best bedside manner!!
March 3, 2026
Experience was excellent.
February 2, 2026
Excellent bedside manner on this doctor! He was so nice, thoughtful and caring. After his extensive, down-to-earth patient education, we left there feeling by confident and safe. THANK YOU for taking such good care of our baby!!!!
December 12, 2025
Very friendly, charismatic, very professional doctor.
November 11, 2025
We had a great experience from start to finish!! He is fantastic and appreciate the care he toke explaining to us about our daughter's heart murmurs. His exam of her was also great and appreciated his demeanor. Would recommend him to anyone for pediatric cardiology!
November 11, 2025
The provider was excellent. I was extremely pleased to witness them speaking with our son do they understood.