Medical School
University of Texas Medical Branch at Galveston (1989)
Children's Medical Center (1990), Pediatrics
Children's Medical Center (1992), Pediatrics
Children's Hospital of Denver (1996), Pediatric Cardiology

Specialty Areas

Clinical Interest

  • Congenital Heart Disease
  • Hypoplastic Left Heart
  • Research Interest

    • Aortic stenosis
    • Fontan procedure
    • Non-invasive imaging


    Featured Publications LegendFeatured Publications

    Echocardiographic characteristics of perimembranous ventricular septal defects associated with aortic regurgitation.
    Eapen RS, Lemler MS, Scott WA, Ramaciotti C J Am Soc Echocardiogr 2003 Mar 16 3 209-13
    Usefulness of external counterpulsation early postoperatively after the Fontan procedure in children.
    Ma W, Lemler MS, Nikaidoh H, Leonard SR, Shang-Feaster GY, Giroir BP, Stromberg D Am. J. Cardiol. 2002 Nov 90 9 1029-31
    Comprehensive assessment of patent ductus arteriosus by echocardiography before transcatheter closure.
    Ramaciotti C, Lemler MS, Moake L, Zellers TM J Am Soc Echocardiogr 2002 Oct 15 10 Pt 2 1154-9
    Sedation for pediatric echocardiography: evaluation of preprocedure fasting guidelines.
    Ghaffar S, Haverland C, Ramaciotti C, Scott WA, Lemler MS J Am Soc Echocardiogr 2002 Sep 15 9 980-3
    Fenestration improves clinical outcome of the fontan procedure: a prospective, randomized study.
    Lemler MS, Scott WA, Leonard SR, Stromberg D, Ramaciotti C Circulation 2002 Jan 105 2 207-12
    Coarctation index: identification of recurrent coarctation in infants with hypoplastic left heart syndrome after the Norwood procedure.
    Lemler MS, Zellers TM, Harris KA, Ramaciotti C Am. J. Cardiol. 2000 Sep 86 6 697-9, A9
    Myocyte cytoskeletal disorganization and right heart failure in hypoxia-induced neonatal pulmonary hypertension.
    Lemler MS, Bies RD, Frid MG, Sastravaha A, Zisman LS, Bohlmeyer T, Gerdes AM, Reeves JT, Stenmark KR Am. J. Physiol. Heart Circ. Physiol. 2000 Sep 279 3 H1365-76
    Insights into catheter/Doppler discrepancies in congenital aortic stenosis.
    Lemler MS, Valdes-Cruz LM, Shandas RS, Cape EG Am. J. Cardiol. 1999 May 83 10 1447-50

    Honors & Awards

    • Best Doctors in America
      First awarded 2007, annually since (2011)
    • Young Investigator Award (2nd Place)
      American Academy of Pediatrics (1999)

    Professional Associations/Affiliations

    • American Academy of Pediatrics
    • American Heart Association
    • American Society of Echocardiography
    • Dallas County Medical Society
    • Society of Pediatric Echocardiography