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About The Lab

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Dr. Michelle C. Johansen is an associate professor of neurology and attending physician in the Cerebrovascular Division at the Johns Hopkins Hospital. A board certified general and cerebrovascular neurologist, Dr. Johansen divides her time between research, educational and clinical duties. She is the recipient of multiple grants from the American Heart Association, the American Stroke Association, The National Institute of Health, National Institute on Aging, and the National Institute of Neurological Disorders and Stroke, which enables her to continue studying the relationship between the brain and heart health. Research is always ongoing at the Johansen Lab! Dr. Johansen is also an associate faculty member with the Welch Center at the Bloomberg School of Public Health which is dedicated to conducting excellent epidemiologic research. She also serves as an expert reviewer for many top medical journals to include JAMA, Stroke, and Neurology.

What We Study


Embolic Stroke of Unknown Source Clinical Trials and Advances in Research

Is incident stroke associated with increased risk of major adverse cardiovascular events?

Ischemic Stroke

Atrial fibrillation

Left atrial structure & function

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