Personal profile

Research Interests

As Assistant Professor in Research at the Department of Radiology of Northwestern University I am directing the 4D Lab. The 4D Lab is a new Radiology cardiovascular quantitative image analysis facility working on basic and advanced MRI data analysis to support research projects, multicenter studies or external collaboration partners. My personal research focus lies on the development and improvement of 4D Flow MRI sequences and image analysis methods especially for evaluating intracranial hemodynamics.


  • Cardiovascular Diseases
  • Radiology
  • Cardiovascular Imaging
  • Magnetic Resonance Imaging (MRI)

Fingerprint Fingerprint is based on mining the text of the persons scientific documents to create an index of weighted terms, which defines the key subjects of each individual researcher.

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Research Output 2002 2017

4D flow MR imaging of the portal venous system: a feasibility study in children

Parekh, K., Markl, M., Rose, M., Schnell, S., Popescu, A. & Rigsby, C. K. Feb 1 2017 In : European Radiology. 27, 2, p. 832-840 9 p.

Research output: Contribution to journalArticle

Portal System
Feasibility Studies
Young Adult
Cine Magnetic Resonance Imaging

Accelerated dual-venc 4D flow MRI for neurovascular applications

Schnell, S., Ansari, S. A., Wu, C., Garcia, J., Murphy, I. G., Rahman, O. A., Rahsepar, A. A., Aristova, M., Collins, J. D., Carr, J. C. & Markl, M. 2017 In : Journal of Magnetic Resonance Imaging.

Research output: Contribution to journalArticle

Magnetic Resonance Imaging
Platelet Count
Blood Volume
Leukocyte Count

In vivo assessment of the impact of regional intracranial atherosclerotic lesions on brain arterial 3D hemodynamics

Wu, C., Schnell, S., Vakil, P., Honarmand, A. R., Ansari, S. A., Carr, J., Markl, M. & Prabhakaran, S. Mar 1 2017 In : American Journal of Neuroradiology. 38, 3, p. 515-522 8 p.

Research output: Contribution to journalArticle

Healthy Volunteers
Pathologic Constriction
Posterior Cerebral Artery