Michael Schar, Ph.D., M.S.

Headshot of Michael Schar
  • Associate Professor of Radiology and Radiological Science


Dr. Michael Schar an Associate Professor in the Johns Hopkins Medicine Department of Radiology and Radiological Science. His research focuses on technical development to improve cardiovascular MRI and to better understand cardiovascular diseases. 

Dr. Schär studied physics and then obtained a Ph.D. at the Swiss Federal Institute of Technology ETH on cardiovascular MR imaging and spectroscopy at 3 Tesla in 2005. Afterward, he joined Philips Healthcare as a clinical scientist where he first worked on-site at JHU and then was relocated to Phoenix, AZ. In August 2014, he joined the faculty at JHU.

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  • Associate Professor of Radiology and Radiological Science

Departments / Divisions



  • M.S.; Swiss Federal Institute of Technology - Zurich (Switzerland) (2001)
  • Ph.D.; Swiss Federal Institute of Technology - Zurich (Switzerland) (2005)

Research & Publications

Research Summary

My research interests focus on the development of novel MRI and MRS techniques to study cardiovascular disease in patients. These include the development of MRI methods to non-invasively quantify coronary endothelial function that previously could only be measured by invasive cardiac catheterization. Endothelial dysfunction is a marker for sub-clinical disease, an independent predictor of adverse cardiac events, and a potential target for medical interventions when disease progression is still reversible; and the development of MRI/MRS methods to non-invasively quantify energy metabolism in the human heart and exercising leg to better understand disease mechanisms in people suffering from heart failure, fatigue, and HIV.

Technology Expertise Keywords

Magnetic Resonance Imaging and Spectroscopy

Selected Publications

View all on PubMed

Schär M, Kozerke S, Fischer SE, Boesiger P. Cardiac SSFP Imaging at 3 Tesla. Magn Reson Med. 2004;51:799-806

Schär M, Vonken E-J, Stuber M; Simultaneous B0- and B1+-map Acquisition for Fast Localized Shim, Frequency and RF Power Determination in the Heart at 3T. Magn Reson Med. 2010;63(2):419-26

Schär M, El-Sharkawy AM, Weiss RG, Bottomley PA. Triple Repetition Time Saturation Transfer (TRiST) 31P Spectroscopy for Measuring Human Creatine Kinase Reaction Kinetics. Magn Reson Med. 2010;63(6):1493-1501

Bonanno G, Hays AG, Weiss RG, Schär M. Self-Gated Golden Angle Spiral Cine MRI for Coronary Endothelial Function Assessment. Magn Reson Med. 2018;80(2):560-70

Zhu D, Bonanno G, Hays AG, Weiss RG, Schär M; Phase contrast coronary blood velocity mapping with both high temporal and spatial resolution using triggered Golden Angle rotated Spiral k-t Sparse Parallel imaging (GASSP) with shifted binning. Magn Reson Med. 86:1929–43, 2021

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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