Richard Friesen, MD

Assistant Professor, Pediatrics-Cardiology

FacultyPhoto
Graduate School
  • MD, University of Kansas Medical Center (2011)
Undergraduate School
  • BA, Kenyon College (OH) (2005)
Internship
  • University of Chicago/Comer Children's Hospital Program (2012)
Residency
  • University of Chicago/Comer Children's Hospital Program, Pediatrics (2014)
Fellowships
  • University of Colorado (Children's Hospital Colorado) Program, Pediatric Cardiology (2017)
  • Seattle Children's Hospital, Advanced Cardiac Imaging (2019)
Department
Pediatrics-Cardiology

Professional Titles

  • Assistant Professor of Pediatrics

Publications

  • Barker AJ, Browne LP, Friesen RM. Easing the Strain of Fetal CMR: Editorial for "Fetal Cardiovascular Magnetic Resonance Feature Tracking Myocardial Strain Analysis in Congenital Heart Disease". J Cardiovasc Magn Reson. 2024 Oct 25;:101115. [Epub ahead of print] PubMed PMID: 39490665
  • Minocha PK, Englund EK, Friesen RM, Fujiwara T, Smith SA, Meyers ML, Browne LP, Barker AJ. Reference Values for Fetal Cardiac Dimensions, Volumes, Ventricular Function and Left Ventricular Longitudinal Strain Using Doppler Ultrasound Gated Cardiac Magnetic Resonance Imaging in Healthy Third Trimester Fetuses. J Magn Reson Imaging. 2024 Jul;60(1):365-374. PubMed PMID: 37855630
  • Schäfer M, Mitchell MB, Frank BS, Barker AJ, Stone ML, Jaggers J, von Alvensleben JC, Hunter KS, Friesen RM, Ivy DD, Jacobsen R, Di Maria MV. Myocardial strain-curve deformation patterns after Fontan operation. Sci Rep. 2023 Jul 24;13(1):11912. PubMed PMID: 37488167
  • Barker AJ, Friesen RM, Browne LP. Editorial for "Neonatal 4D Flow Magnetic Resonance Imaging Without General Anesthesia". J Magn Reson Imaging. 2023 Jan;57(1):83-84. PubMed PMID: 35716102
  • Gonzalez de Alba C, Moghari MH, Browne LP, Friesen RM, Fonseca B, Malone LJ. Feasibility of gray-blood late gadolinium enhancement evaluation in young patients with congenital and acquired heart disease. Front Cardiovasc Med. 2023;10:1269412. PubMed PMID: 37915741
  • Barker AJ, Friesen RM, Browne LP. Editorial for "Neonatal 4D Flow Magnetic Resonance Imaging Without General Anesthesia". J Magn Reson Imaging. 2023 Jan;57(1):83-84. PubMed PMID: 35716102
  • Gonzalez de Alba C, Moghari MH, Browne LP, Friesen RM, Fonseca B, Malone LJ. Feasibility of gray-blood late gadolinium enhancement evaluation in young patients with congenital and acquired heart disease. Front Cardiovasc Med. 2023;10:1269412. PubMed PMID: 37915741
  • Minocha PK, Englund EK, Friesen RM, Fujiwara T, Smith SA, Meyers ML, Browne LP, Barker AJ. Reference Values for Fetal Cardiac Dimensions, Volumes, Ventricular Function and Left Ventricular Longitudinal Strain Using Doppler Ultrasound Gated Cardiac Magnetic Resonance Imaging in Healthy Third Trimester Fetuses. J Magn Reson Imaging. 2023 Oct 19. [Epub ahead of print] PubMed PMID: 37855630
  • Schäfer M, Mitchell MB, Frank BS, Barker AJ, Stone ML, Jaggers J, von Alvensleben JC, Hunter KS, Friesen RM, Ivy DD, Jacobsen R, Di Maria MV. Myocardial strain-curve deformation patterns after Fontan operation. Sci Rep. 2023 Jul 24;13(1):11912. PubMed PMID: 37488167
  • Barker AJ, Friesen RM, Browne LP. Editorial for "Neonatal 4D Flow Magnetic Resonance Imaging Without General Anesthesia". J Magn Reson Imaging. 2023 Jan;57(1):83-84. PubMed PMID: 35716102
  • Park DM, Landeck BF 2nd, Burkett DA, Friesen RM, Villavicencio KL, Patel SS, Kirby KS, Hoefener BE, Gau CM, Provenzano LM, Younoszai AK. Investigating a Rapid and Safe Outpatient Pediatric Screening Protocol. J Am Soc Echocardiogr. 2022 Oct;35(10):1101-1102. PubMed PMID: 35690299
  • Browne LP, Fujiwara T, Leahy RA, Friesen RM, Barker AJ. 4D flow MRI quantification and surveillance of veno-venous collateralization. Eur Heart J Cardiovasc Imaging. 2022 Sep 10;23(10):e466. PubMed PMID: 35762621
  • Browne LP, Fujiwara T, Leahy RA, Friesen RM, Barker AJ. 4D flow MRI quantification and surveillance of veno-venous collateralization. Eur Heart J Cardiovasc Imaging. 2022 Sep 10;23(10):e466. PubMed PMID: 35762621
  • Park DM, Landeck BF 2nd, Burkett DA, Friesen RM, Villavicencio KL, Patel SS, Kirby KS, Hoefener BE, Gau CM, Provenzano LM, Younoszai AK. Investigating a Rapid and Safe Outpatient Pediatric Screening Protocol. J Am Soc Echocardiogr. 2022 Oct;35(10):1101-1102. PubMed PMID: 35690299
  • Schäfer M, Friesen RM, von Alvensleben JC. Importance of neonatal strain imaging: what are we measuring?. Int J Cardiovasc Imaging. 2021 Jul;37(7):2125-2126. PubMed PMID: 33999351
  • Persson J, Shorofsky M, Leahy R, Friesen R, Khanna A, Cole L, Kim JS. ST-Elevation Myocardial Infarction due to Acute Thrombosis in an Adolescent With COVID-19. Pediatrics. 2021 Aug;148(2). PubMed PMID: 34035074
  • Friesen RM, Young LT. Applications for Non-Congenital Heart Disease in Pediatric Patients. In PC Wong (Ed) and WC Miller-Hance (Ed), Transesophageal Echocardiography for Pediatric and Congenital Heart Disease, (2nd Ed. 635-672). Springer. https://doi.org/10.1007/978-3-030-57193-1
  • Schäfer M, Friesen RM, von Alvensleben JC. Importance of neonatal strain imaging: what are we measuring?. Int J Cardiovasc Imaging. 2021 Jul;37(7):2125-2126. PubMed PMID: 33999351
  • Charlton GA, Ladd DR, Friesen RM, Friesen RH. Labetalol Infusion Attenuates Paradoxical Hypertension and Decreases Plasma Renin Activity After Repair of Coarctation of the Aorta in Children. J Cardiothorac Vasc Anesth. 2020 Dec;34(12):3348-3351. PubMed PMID: 32593586
  • Charlton GA, Ladd DR, Friesen RM, Friesen RH. Labetalol Infusion Attenuates Paradoxical Hypertension and Decreases Plasma Renin Activity After Repair of Coarctation of the Aorta in Children. J Cardiothorac Vasc Anesth. 2020 May 27. [Epub ahead of print] PubMed PMID: 32593586
  • Friesen RM, Schäfer M, Ivy DD, Abman SH, Stenmark K, Browne LP, Barker AJ, Hunter KS, Truong U. Proximal pulmonary vascular stiffness as a prognostic factor in children with pulmonary arterial hypertension. Eur Heart J Cardiovasc Imaging. 2019 Feb 1;20(2):209-217. PubMed PMID: 29788051

Practice Locations

Children's Hospital Colorado Anschutz Medical Campus
13123 East 16th Ave
Aurora, CO 80045
720-777-1234

Hospital Affiliation
  • University of Colorado Hospital
  • Children's Hospital Colorado

Specialty Information

Specialties
  • Pediatric Cardiology, Board Certification

School of Medicine

CU Anschutz
Fitzsimons Building

13001 East 17th Place

Aurora, CO 80045

303.724.5375

School
General
Students