Ryan F Halas, DO

Ryan F Halas, DO
Ryan F Halas, DO

Clinical Assistant Professor, Department of Medicine

Clinical Assistant Professor, Department of Pediatric and Adolescent Medicine

Biosketch

Ryan Halas, DO, is a board-certified internal medicine and pediatric physician. He currently practices with Bronson Pediatric Cardiology Specialists - Kalamazoo. He is a graduate of Michigan State University, East Lansing, Michigan, which is also where he earned his medical degree. He completed an internal medicine and pediatrics residency program with Western Michigan University Homer Stryker M.D. School of Medicine, Kalamazoo, Michigan. He completed a pediatric cardiology fellowship with the Children's Hospital of Michigan, Detroit, Michigan. Dr. Halas' clinical and research interests include congenital heart defects, pediatric cardiology, and database use in research.

  • Education and Training
    • Fellowship 2021, Pediatric Cardiology, Children's Hospital of Michigan
    • Residency 2018, Internal Medicine and Pediatrics, Western Michigan University Homer Stryker M.D. School of Medicine
    • DO 2014, College of Osteopathic Medicine, Michigan State University
    • BA 2010, General Management Business, Michigan State University

  • Research
    • Pediatric Cardiology
    • Congenital Heart Defects

  • Publications

    • Misra A., Halas R., Kobayashi D., Walters H.L., Bondarenko I., Thomas R., Vener D.F., Aggarwal S., Safa R. Outcomes of Patients With Sickle Cell Disease and Trait After Congenital Heart Disease Surgery Annals of Thoracic Surgery. 2023;115:1494-1502.

    • Halas R., Schmehil C., Ten Eyck G., Loker J. Congenital aneurysm of both left ventricle and left atrium Annals of Pediatric Cardiology. 2018;11:97-99.

    • Sahewalla R., Ross R., Delius R., Halas R., Anne P. Large pseudoaneurysm following right ventricle to pulmonary artery homograft placement in an infant Annals of Pediatric Cardiology. 2018;11(1):106-108.

    • Halas R., Jacob C., Badwal K., Mir R. Rare case of Rhizobium radiobacter bioprosthetic mitral valve endocarditis IDCases. 2017;10:88-90.

    • Schmehil C., Halas R., Malhotra D., Loker J. Rare Diagnosis in a 4-Year-Old Boy Presenting with Shortness of Breath Clinical Pediatrics. 2017;56:1263-1265.

    • Halas R., Kuchipudi Y., Fountain-Dommer R. Cyanotic congenital heart lesions Chronic Disease and Disability: The Pediatric Heart. 2016:115-127.

    • Kuchipudi Y., Halas R. Acyanotic congenital heart diseases Chronic Disease and Disability: The Pediatric Heart. 2016:99-114.

  • Presentations
    • Progressive macrocephaly leading to emesis and seizures as a presentation of cavernous hemangioma in a nine month old infant. Gomes T, Halas R, Corpus B, 34th Annual Kalamazoo Community Medical and Health Sciences Research Day, Kalamazoo, Michigan, 05/2016
    • Multi-drug resistant Streptococcus pneumoniae as a presentation of cystic fibrosis in a two-year-old male. Halas R, Gomes T, Corpus B, 34th Annual Kalamazoo Community Medical and Health Sciences Research Day, Kalamazoo, Michigan, 05/2016
    • Rapid response to propanolol in a stridorous patient with extensive infantile hemangiomas. Halas R, Malhotra D, Fountain R, 34th Annual Kalamazoo Community Medical and Health Sciences Research Day, Kalamazoo, Michigan, 05/2016
    • Pneumomediastinum in high flow nasal cannula use for rhinovirus bronchiolitis. Halas R, Schmehil C, Lam J, Pejka S, 34th Annual Kalamazoo Community Medical and Health Sciences Research Day, Kalamazoo, Michigan, 05/2016
    • Persistent hyperinsulinemic hypoglycemia of infancy as a seizure trigger in a twenty-one-month-old with previous epilepsy. Halas R, Gomes T, 34th Annual Kalamazoo Community Medical and Health Sciences Research Day, Kalamazoo, Michigan, 05/2015
    • Ingestion of lightbulb fragments as presentation for pica associated with iron deficiency. Halas R, Lam J, Pejka S, 34th Annual Kalamazoo Community Medical and Health Sciences Research Day, Kalamazoo, Michigan, 05/2015