Departments and specialties

Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery.

Doctors who treat this condition

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Displaying 1-2 out of 2 doctors available

  1. Patrick W. O'Leary, M.D.

    Patrick W. O'Leary, M.D.

    1. Pediatric Cardiologist
    1. Rochester, Minnesota
    Areas of focus:

    Echocardiogram, Congenital heart defects in children, Congenital heart disease, Heart disease, Hypoplastic left heart syndrome more

    see full list in profile
  2. Timothy M. Olson, M.D.

    Timothy M. Olson, M.D.

    1. Pediatric Cardiologist
    1. Rochester, Minnesota
    Areas of focus:

    Dilated cardiomyopathy, Hypoplastic left heart syndrome, Spontaneous coronary artery dissection more

    see full list in profile


Researchers at Mayo Clinic actively study new treatments and surgeries for people who have hypoplastic left heart syndrome and other congenital heart diseases. Ongoing research includes studies in imaging and outcomes, human genetics, and regenerative medicine strategies. Mayo Clinic doctors are also assembling a biorepository of patient and family histories, heart images, tissue and cell samples, and genomic information of people with hypoplastic left heart syndrome and their family members to further study the condition.

Read more about research in the Todd and Karen Wanek Family Program for Hypoplastic Left Heart Syndrome and on HLHS - Mayo Clinic Connect.


See a list of publications by Mayo Clinic doctors on hypoplastic left heart syndrome on PubMed, a service of the National Library of Medicine.

Research Profiles

Hypoplastic left heart syndrome care at Mayo Clinic

Aug. 04, 2018