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Profile Details
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USD 50 /hr
Hire Dr. Ahmed K.
USD 50 /hr

Radiology Resident & Researcher at Charité

Profile Summary
Subject Matter Expertise
Work Experience

Radiology resident

Charité Universitätsmedizin Berlin

September 2018 - Present


Charité Universitätsmedizin Berlin

October 2017 - Present

Doctoral researcher

Max Planck Institute for Human Cognitive and Brain Sciences

April 2017 - September 2017

Guest scientist

Max Planck Institute for Human Cognitive and Brain Sciences

March 2015 - March 2017

NeuroCure PhD Fellow

Charité Universitätsmedizin Berlin

October 2014 - March 2017


Charité NeuroScience (CNS) Newsletter

September 2014 - March 2017

House Officer

Federal Ministry of Health

May 2011 - August 2012

Research Fellow

University of Medical Sciences & Technology (UMST)

January 2011 - July 2011


Postgraduate Diploma, Internal Medicine (College of Medicine & Veterinary Medicine)

University of Edinburgh

2012 - 2014

Master's, Medical Neurosciences

Charité Universitätsmedizin Berlin

2012 - 2014

Master's, Neuroscience & Neuropsychopharmacology

Université de Bordeaux

2012 - 2014

Bachelor of Medicine and Surgery (MBBS) (Faculty of Medicine)

University of Medical Sciences & Technology

2005 - 2010

  • Certification details not provided.
Jiun-Yiing Hu, Evgeniya Kirilina, Till Nierhaus, Smadar Ovadia-Caro, Michelle Livne, Kersten Villringer, Daniel Margulies, Jochen B. Fiebach, Arno Villringer, Ahmed A. Khalil(2020). A novel approach for assessing hypoperfusion in stroke using spatial independent component analysis of resting-state {fMRI} data . Cold Spring Harbor Laboratory
Adam Hilbert, Vince I Madai, Ela M Akay, Orhun U Aydin, Jonas Behland, Jan Sobesky, Ivana Galinovic, Ahmed A Khalil, Abdel A Taha, Jens W&uumlrfel, et al. (2020). BRAVE-NET: Fully Automated Arterial Brain Vessel Segmentation In Patients with Cerebrovascular Disease .
Esra Zihni, Ruxandra Stoean, Vince Istvan Madai, Michelle Livne, Ivana Galinovic, Ahmed A. Khalil, Jochen B. Fiebach, Dietmar Frey(2020). Opening the black box of artificial intelligence for clinical decision support: A study predicting stroke outcome . {PLOS} {ONE}. 15. (4). p. e0231166. Public Library of Science ({PLoS})
Dietmar Frey, Jochen B. Fiebach, Ahmed A. Khalil, Ivana Galinovic, Michelle Livne, Vince Istvan Madai, Esra Zihni (2019). Opening the Black Box of Artificial Intelligence for Clinical Decision Support: A Study Predicting Stroke Outcome .
Ahmed A. Khalil, Jochen B. Fiebach, Christian H. Nolte, Ivana Galinovic, Sascha Zimny, Kersten Villringer (2019). The Association Between Recanalization, Collateral Flow, and Reperfusion in Acute Stroke Patients: A Dynamic Susceptibility Contrast MRI Study . Frontiers in Neurology.
Marietta Zille, Katarzyna Winek, Arno Villringer, America Vanoye-Carlo, Tauqeerunnisa Syeda, Héctor Pedro Salazar García, Karla Rubio, Ana Luisa Piña, Judith Pérez-Velázquez, Claudia Perez-Cruz, et al. (2019). Re-thinking the Etiological Framework of Neurodegeneration . Frontiers in Neuroscience.
Maria Nazarova, Vadim V. Nikulin, Arno Villringer, Bernhard Sehm, Ahmed A. Khalil, Smadar Ovadia-Caro (2019). Predicting the Response to Non-invasive Brain Stimulation in Stroke . Frontiers in Neurology.
Audrey P Fan, Ahmed A Khalil, Jochen B Fiebach, Greg Zaharchuk, Arno Villringer, Kersten Villringer, Claudine J Gauthier(2019). Elevated brain oxygen extraction fraction measured by {MRI} susceptibility relates to perfusion status in acute ischemic stroke . Journal of Cerebral Blood Flow {\&} Metabolism. 40. (3). p. 539--551. {SAGE} Publications
Smadar Ovadia-Caro, Daniel S Margulies, Arno Villringer, Jochen B Fiebach, Kersten Villringer, Ahmed A Khalil, Şeyma Bayrak (2018). The impact of ischemic stroke on connectivity gradients: .
Arno Villringer, Jochen B Fiebach, Andrea Rocco, Jiun-Yiing Hu, Vivien Filleböck, Kersten Villringer, Ahmed A Khalil (2018). Non-invasive monitoring of longitudinal changes in cerebral hemodynamics in acute ischemic stroke using BOLD signal delay . Journal of Cerebral Blood Flow & Metabolism.
Ahmed A. Khalil, Susanne Mueller, Marco Foddis, Larissa Mosch, Janet Lips, Ingo Przesdzing, Sebastian Temme, Ulrich Flögel, Ulrich Dirnagl, Philipp Boehm-Sturm(2018). Longitudinal 19F magnetic resonance imaging of brain oxygenation in a mouse model of vascular cognitive impairment using a cryogenic radiofrequency coil . Magnetic Resonance Materials in Physics, Biology and Medicine. 32. (1). p. 105--114. Springer Science and Business Media {LLC}
Rolf A. Zwaan, Tal Yarkoni, Donald R. Williams, Samantha E. Williams, Matt N. Williams, Marcel A. L. M. Van Assen, Miguel A. Vadillo, Wojciech Świątkowski, Neil Stenhouse, Crystal N. Steltenpohl, et al. (2018). Justify your alpha . Nature Human Behaviour.
Ahmed A Khalil, Kersten Villringer, Vivien Filleböck, Jiun-Yiing Hu, Andrea Rocco, Jochen B Fiebach, Arno Villringer(2018). Non-invasive monitoring of longitudinal changes in cerebral hemodynamics in acute ischemic stroke using {BOLD} signal delay . Journal of Cerebral Blood Flow {\&} Metabolism. 40. (1). p. 23--34. {SAGE} Publications
Galinovic I, Kochova E, Khalil A, Villringer K, Piper SK, Fiebach JB(2018). The ratio between cerebral blood flow and Tmax predicts the quality of collaterals in acute ischemic stroke . PloS one.
Ahmed Khalil, Rolf Zwaan, Ignazio Ziano, Tal Yarkoni, Jean-Jacques Orban de Xivry, Donald Williams, samantha williams, Matt Williams, Miguel Vadillo, Wojciech Świątkowski, et al. (2017). Justify Your Alpha .
Khalil, A.A., Ostwaldt, A.-C., Nierhaus, T., Ganeshan, R., Audebert, H.J., Villringer, K., Villringer, A., Fiebach, J.B.(2017). Relationship between Changes in the Temporal Dynamics of the Blood-Oxygen-Level-Dependent Signal and Hypoperfusion in Acute Ischemic Stroke . Stroke. 48. (4). p. 925-931.
Villringer, K., Cuesta, B.E.S., Ostwaldt, A.-C., Grittner, U., Brunecker, P., Khalil, A.A., Schindler, K., Eisenblätter, O., Audebert, H., Fiebach, J.B.(2017). DCE-MRI blood-brain barrier assessment in acute ischemic stroke . Neurology. 88. (5). p. 433-440.
Ahmed A. Khalil, Terence J Quinn, Marc Hohenhaus, Claudia Kunze, Wolf Schmidt, Peter Brunecker, Kersten Villringer, Klaus-Dietmar Merboldt, Jens Frahm, Jochen B. Fiebach(2016). Sensitivity of Diffusion-Weighted {STEAM} {MRI} and {EPI}-{DWI} to Infratentorial Ischemic Stroke . {PLOS} {ONE}. 11. (8). p. e0161416. Public Library of Science ({PLoS})
Khalil, A.A., Hohenhaus, M., Kunze, C., Schmidt, W., Brunecker, P., Villringer, K., Merboldt, K.-D., Frahm, J., Fiebach, J.B.(2016). Sensitivity of diffusion-weighted STEAM MRI and EPI-DWI to infratentorial ischemic stroke . PLoS ONE. 11. (8).
Jadavji, N.M., Farr, T.D., Lips, J., Khalil, A.A., Boehm-Sturm, P., Foddis, M., Harms, C., Füchtemeier, M., Dirnagl, U.(2015). Elevated levels of plasma homocysteine, deficiencies in dietary folic acid and uracil-DNA glycosylase impair learning in a mouse model of vascular cognitive impairment . Behavioural Brain Research. 283. p. 215-226.
Ibrahim, M.M., Khalil, A.A.A., Khan, U.A.(2012). Offspring sex ratios among male tobacco smokers in Khartoum, Sudan . Journal of the Pakistan Medical Association. 62. (10). p. 1045-1049.
(2017). Blindsight . Encyclopedia of Animal Cognition and Behavior.
(2017). Positron emission tomography (PET) . Encyclopedia of Animal Cognition and Behavior.