Groundbreaking MRI study links brainstem damage to long-term Covid-19 symptoms in survivors. Test: Quantitative susceptibility mapping at 7T in Covid-19: effects on the brainstem and associations with outcomes. Photo credit: Silver Place/Shutterstock.com A recent study published in Brain performed quantitative ultrahigh-field susceptibility mapping (QSM) of the brainstem in coronavirus disease 2019 (COVID-19) survivors after hospitalization. […]