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Assistant Professor of Medicine, Pulmonary and Critical Care · Brigham and Women's Hospital, Harvard Medical School

David Systrom, MD

New protocols and grade changes land in My Protocols.

Assistant Professor of Medicine at Harvard and Brigham and Women's Hospital, with over a decade running invasive cardiopulmonary exercise testing (iCPET) in ME/CFS and Long COVID. Discovered preload failure, a measurable circulatory finding present in roughly 90 percent of ME/CFS patients tested this way, as a driver of orthostatic exhaustion. His work is diagnostic mechanism research, not a self-directed treatment, and is presented here as an explainer.

No standalone protocols yet, see Guides for David's written work.

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